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102624220 = 2255131211
BaseRepresentation
bin1100001110111…
…10101111011100
321011002211222001
412013132233130
5202232433340
614103332044
72354201656
oct607365734
9234084861
10102624220
1152a24106
122a451024
13183520ba
14d8b56d6
15902229a
hex61debdc

102624220 has 12 divisors (see below), whose sum is σ = 215510904. Its totient is φ = 41049680.

The previous prime is 102624211. The next prime is 102624241. The reversal of 102624220 is 22426201.

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 3 ways as a sum of consecutive naturals, for example, 2565586 + ... + 2565625.

It is an arithmetic number, because the mean of its divisors is an integer number (17959242).

Almost surely, 2102624220 is an apocalyptic number.

102624220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102624220 is an abundant number, since it is smaller than the sum of its proper divisors (112886684).

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

102624220 is a wasteful number, since it uses less digits than its factorization.

102624220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5131220 (or 5131218 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 102624220 is about 10130.3612966172. The cubic root of 102624220 is about 468.1840596299.

The spelling of 102624220 in words is "one hundred two million, six hundred twenty-four thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 5131211 10262422 20524844 25656055 51312110 102624220