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1230342204 = 223713372823
BaseRepresentation
bin100100101010101…
…1000100000111100
310011202002212012210
41021111120200330
510004431422304
6322030300420
742326510340
oct11125304074
93152085183
101230342204
11581550343
122a4057710
13167b89150
14b958b620
1573030c89
hex4955883c

1230342204 has 144 divisors (see below), whose sum is σ = 3635778048. Its totient is φ = 315332352.

The previous prime is 1230342203. The next prime is 1230342233. The reversal of 1230342204 is 4022430321.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230342203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1494537 + ... + 1495359.

Almost surely, 21230342204 is an apocalyptic number.

1230342204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1230342204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1817889024).

1230342204 is an abundant number, since it is smaller than the sum of its proper divisors (2405435844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1230342204 is a wasteful number, since it uses less digits than its factorization.

1230342204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924 (or 885 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1230342204 is about 35076.2341764335. The cubic root of 1230342204 is about 1071.5406240244.

Adding to 1230342204 its reverse (4022430321), we get a palindrome (5252772525).

The spelling of 1230342204 in words is "one billion, two hundred thirty million, three hundred forty-two thousand, two hundred four".

Divisors: 1 2 3 4 6 7 12 13 14 21 26 28 37 39 42 52 74 78 84 91 111 148 156 182 222 259 273 364 444 481 518 546 777 823 962 1036 1092 1369 1443 1554 1646 1924 2469 2738 2886 3108 3292 3367 4107 4938 5476 5761 5772 6734 8214 9583 9876 10101 10699 11522 13468 16428 17283 17797 19166 20202 21398 23044 28749 30451 32097 34566 35594 38332 40404 42796 53391 57498 60902 64194 69132 71188 74893 91353 106782 114996 121804 124579 128388 149786 182706 213157 213564 224679 249158 299572 365412 373737 395863 426314 449358 498316 639471 747474 791726 852628 898716 1126687 1187589 1278942 1494948 1583452 2253374 2375178 2557884 2771041 3380061 4506748 4750356 5542082 6760122 7886809 8313123 11084164 13520244 14646931 15773618 16626246 23660427 29293862 31547236 33252492 43940793 47320854 58587724 87881586 94641708 102528517 175763172 205057034 307585551 410114068 615171102 1230342204