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102745372 = 2225686343
BaseRepresentation
bin1100001111111…
…00010100011100
321011100000011011
412013330110130
5202300322442
614110105004
72355215122
oct607742434
9234300134
10102745372
1152aa7134
122a4ab164
13183952a2
14d907912
159048117
hex61fc51c

102745372 has 6 divisors (see below), whose sum is σ = 179804408. Its totient is φ = 51372684.

The previous prime is 102745367. The next prime is 102745397. The reversal of 102745372 is 273547201.

It is a super-2 number, since 2×1027453722 = 21113222934836768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12843168 + ... + 12843175.

Almost surely, 2102745372 is an apocalyptic number.

It is an amenable number.

102745372 is a deficient number, since it is larger than the sum of its proper divisors (77059036).

102745372 is a wasteful number, since it uses less digits than its factorization.

102745372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25686347 (or 25686345 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 102745372 is about 10136.3391813810. The cubic root of 102745372 is about 468.3682238528.

The spelling of 102745372 in words is "one hundred two million, seven hundred forty-five thousand, three hundred seventy-two".

Divisors: 1 2 4 25686343 51372686 102745372