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102934820 = 2255146741
BaseRepresentation
bin1100010001010…
…10100100100100
321011200122000202
412020222210210
5202322403240
614114130032
72356634342
oct610524444
9234618022
10102934820
11531164aa
122a580918
13184305a1
14d956992
159084315
hex622a924

102934820 has 12 divisors (see below), whose sum is σ = 216163164. Its totient is φ = 41173920.

The previous prime is 102934817. The next prime is 102934823. The reversal of 102934820 is 28439201.

It is an interprime number because it is at equal distance from previous prime (102934817) and next prime (102934823).

It can be written as a sum of positive squares in 2 ways, for example, as 45265984 + 57668836 = 6728^2 + 7594^2 .

It is not an unprimeable number, because it can be changed into a prime (102934823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2573351 + ... + 2573390.

It is an arithmetic number, because the mean of its divisors is an integer number (18013597).

Almost surely, 2102934820 is an apocalyptic number.

102934820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102934820 is an abundant number, since it is smaller than the sum of its proper divisors (113228344).

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

102934820 is a wasteful number, since it uses less digits than its factorization.

102934820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5146750 (or 5146748 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 102934820 is about 10145.6798687914. The cubic root of 102934820 is about 468.6559154579.

The spelling of 102934820 in words is "one hundred two million, nine hundred thirty-four thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 5146741 10293482 20586964 25733705 51467410 102934820