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102166512 = 2437304067
BaseRepresentation
bin1100001011011…
…10111111110000
321010020121002220
412011232333300
5202123312022
614045441040
72350254360
oct605567760
9233217086
10102166512
1152741238
122a270180
1318221976
14d7d69a0
158e8185c
hex616eff0

102166512 has 40 divisors (see below), whose sum is σ = 301635456. Its totient is φ = 29190336.

The previous prime is 102166501. The next prime is 102166523. The reversal of 102166512 is 215661201.

It is an interprime number because it is at equal distance from previous prime (102166501) and next prime (102166523).

It is a super-2 number, since 2×1021665122 = 20875992348492288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151698 + ... + 152369.

Almost surely, 2102166512 is an apocalyptic number.

102166512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102166512 is an abundant number, since it is smaller than the sum of its proper divisors (199468944).

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

102166512 is a wasteful number, since it uses less digits than its factorization.

102166512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304085 (or 304079 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 102166512 is about 10107.7451491418. The cubic root of 102166512 is about 467.4869825843.

The spelling of 102166512 in words is "one hundred two million, one hundred sixty-six thousand, five hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 304067 608134 912201 1216268 1824402 2128469 2432536 3648804 4256938 4865072 6385407 7297608 8513876 12770814 14595216 17027752 25541628 34055504 51083256 102166512