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1230004500 = 223533832141
BaseRepresentation
bin100100101010000…
…0110000100010100
310011201110200222020
41021110012010110
510004340121000
6322015133140
742323602644
oct11124060424
93151420866
101230004500
1158133a64a
122a3b141b0
13167a9b51a
14b9500524
1572eb5ba0
hex49506114

1230004500 has 96 divisors (see below), whose sum is σ = 3592802304. Its totient is φ = 326992000.

The previous prime is 1230004499. The next prime is 1230004541. The reversal of 1230004500 is 54000321.

It is a super-2 number, since 2×12300045002 = 3025822140040500000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1230004500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 573430 + ... + 575570.

It is an arithmetic number, because the mean of its divisors is an integer number (37425024).

Almost surely, 21230004500 is an apocalyptic number.

1230004500 is a gapful number since it is divisible by the number (10) 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 1230004500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1796401152).

1230004500 is an abundant number, since it is smaller than the sum of its proper divisors (2362797804).

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

1230004500 is a wasteful number, since it uses less digits than its factorization.

1230004500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2546 (or 2534 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 1230004500 is about 35071.4199883609. The cubic root of 1230004500 is about 1071.4425763249.

Adding to 1230004500 its reverse (54000321), we get a palindrome (1284004821).

The spelling of 1230004500 in words is "one billion, two hundred thirty million, four thousand, five hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 125 150 250 300 375 383 500 750 766 1149 1500 1532 1915 2141 2298 3830 4282 4596 5745 6423 7660 8564 9575 10705 11490 12846 19150 21410 22980 25692 28725 32115 38300 42820 47875 53525 57450 64230 95750 107050 114900 128460 143625 160575 191500 214100 267625 287250 321150 535250 574500 642300 802875 820003 1070500 1605750 1640006 2460009 3211500 3280012 4100015 4920018 8200030 9840036 12300045 16400060 20500075 24600090 41000150 49200180 61500225 82000300 102500375 123000450 205000750 246000900 307501125 410001500 615002250 1230004500