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102957836 = 22173148783
BaseRepresentation
bin1100010001100…
…00001100001100
321011201210121012
412020300030030
5202324122321
614114424352
72360061422
oct610601414
9234653535
10102957836
1153131823
122a5920b8
131843abc7
14d961112
15908b05b
hex623030c

102957836 has 12 divisors (see below), whose sum is σ = 181218912. Its totient is φ = 51181008.

The previous prime is 102957823. The next prime is 102957839. The reversal of 102957836 is 638759201.

It is a junction number, because it is equal to n+sod(n) for n = 102957793 and 102957802.

It is not an unprimeable number, because it can be changed into a prime (102957839) 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, 73700 + ... + 75083.

It is an arithmetic number, because the mean of its divisors is an integer number (15101576).

Almost surely, 2102957836 is an apocalyptic number.

It is an amenable number.

102957836 is a deficient number, since it is larger than the sum of its proper divisors (78261076).

102957836 is a wasteful number, since it uses less digits than its factorization.

102957836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148960 (or 148958 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 102957836 is about 10146.8140812769. The cubic root of 102957836 is about 468.6908429998.

The spelling of 102957836 in words is "one hundred two million, nine hundred fifty-seven thousand, eight hundred thirty-six".

Divisors: 1 2 4 173 346 692 148783 297566 595132 25739459 51478918 102957836