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102066664 = 2376129879
BaseRepresentation
bin1100001010101…
…10100111101000
321010001112010211
412011112213220
5202112113124
614043350504
72346360310
oct605264750
9233045124
10102066664
1152683217
122a222434
13181b839b
14d7ac440
158e61e94
hex61569e8

102066664 has 32 divisors (see below), whose sum is σ = 222307200. Its totient is φ = 43024320.

The previous prime is 102066659. The next prime is 102066697. The reversal of 102066664 is 466660201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11524 + ... + 18355.

It is an arithmetic number, because the mean of its divisors is an integer number (6947100).

Almost surely, 2102066664 is an apocalyptic number.

102066664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

102066664 is an abundant number, since it is smaller than the sum of its proper divisors (120240536).

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

102066664 is a wasteful number, since it uses less digits than its factorization.

102066664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29953 (or 29949 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 102066664 is about 10102.8047590756. The cubic root of 102066664 is about 467.3346402505.

The spelling of 102066664 in words is "one hundred two million, sixty-six thousand, six hundred sixty-four".

Divisors: 1 2 4 7 8 14 28 56 61 122 244 427 488 854 1708 3416 29879 59758 119516 209153 239032 418306 836612 1673224 1822619 3645238 7290476 12758333 14580952 25516666 51033332 102066664