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102504100 = 225223411087
BaseRepresentation
bin1100001110000…
…01011010100100
321010212202012011
412013001122210
5202220112400
614101004004
72353161526
oct607013244
9233782164
10102504100
1152951936
122a3b3604
131830c51a
14d883a16
158eeb8ba
hex61c16a4

102504100 has 72 divisors (see below), whose sum is σ = 237984768. Its totient is φ = 38227200.

The previous prime is 102504091. The next prime is 102504119. The reversal of 102504100 is 1405201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93757 + ... + 94843.

It is an arithmetic number, because the mean of its divisors is an integer number (3305344).

Almost surely, 2102504100 is an apocalyptic number.

102504100 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 102504100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118992384).

102504100 is an abundant number, since it is smaller than the sum of its proper divisors (135480668).

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

102504100 is a wasteful number, since it uses less digits than its factorization.

102504100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165 (or 1158 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 102504100 is about 10124.4308482008. The cubic root of 102504100 is about 468.0013210083.

Adding to 102504100 its reverse (1405201), we get a palindrome (103909301).

The spelling of 102504100 in words is "one hundred two million, five hundred four thousand, one hundred".

Divisors: 1 2 4 5 10 20 23 25 41 46 50 82 92 100 115 164 205 230 410 460 575 820 943 1025 1087 1150 1886 2050 2174 2300 3772 4100 4348 4715 5435 9430 10870 18860 21740 23575 25001 27175 44567 47150 50002 54350 89134 94300 100004 108700 125005 178268 222835 250010 445670 500020 625025 891340 1025041 1114175 1250050 2050082 2228350 2500100 4100164 4456700 5125205 10250410 20500820 25626025 51252050 102504100