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1020152430 = 2325112935533
BaseRepresentation
bin111100110011100…
…100101001101110
32122002121010001100
4330303210221232
54042124334210
6245121223530
734165103223
oct7463445156
92562533040
101020152430
11483938690
12245791ba6
13133474abb
14996b594a
155e8625c0
hex3cce4a6e

1020152430 has 96 divisors (see below), whose sum is σ = 2993384160. Its totient is φ = 238775040.

The previous prime is 1020152411. The next prime is 1020152467. The reversal of 1020152430 is 342510201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10944 + ... + 46476.

It is an arithmetic number, because the mean of its divisors is an integer number (31181085).

Almost surely, 21020152430 is an apocalyptic number.

1020152430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1020152430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1496692080).

1020152430 is an abundant number, since it is smaller than the sum of its proper divisors (1973231730).

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

1020152430 is a wasteful number, since it uses less digits than its factorization.

1020152430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35586 (or 35583 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1020152430 is about 31939.8251404105. The cubic root of 1020152430 is about 1006.6728506898.

Adding to 1020152430 its reverse (342510201), we get a palindrome (1362662631).

The spelling of 1020152430 in words is "one billion, twenty million, one hundred fifty-two thousand, four hundred thirty".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 29 30 33 45 55 58 66 87 90 99 110 145 165 174 198 261 290 319 330 435 495 522 638 870 957 990 1305 1595 1914 2610 2871 3190 4785 5742 9570 14355 28710 35533 71066 106599 177665 213198 319797 355330 390863 532995 639594 781726 1030457 1065990 1172589 1598985 1954315 2060914 2345178 3091371 3197970 3517767 3908630 5152285 5862945 6182742 7035534 9274113 10304570 11335027 11725890 15456855 17588835 18548226 22670054 30913710 34005081 35177670 46370565 56675135 68010162 92741130 102015243 113350270 170025405 204030486 340050810 510076215 1020152430