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102975971 = 715499497
BaseRepresentation
bin1100010001101…
…00100111100011
321011202201110212
412020310213203
5202330212341
614115044335
72360165330
oct610644743
9234681425
10102975971
115314440a
122a5a06ab
1318446237
14d967987
1590915eb
hex62349e3

102975971 has 8 divisors (see below), whose sum is σ = 117775200. Its totient is φ = 88198848.

The previous prime is 102975967. The next prime is 102975989. The reversal of 102975971 is 179579201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102975971 - 22 = 102975967 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102975371) by changing a digit.

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, 6095 + ... + 15591.

It is an arithmetic number, because the mean of its divisors is an integer number (14721900).

Almost surely, 2102975971 is an apocalyptic number.

102975971 is a deficient number, since it is larger than the sum of its proper divisors (14799229).

102975971 is an equidigital number, since it uses as much as digits as its factorization.

102975971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11053.

The product of its (nonzero) digits is 39690, while the sum is 41.

The square root of 102975971 is about 10147.7076721790. The cubic root of 102975971 is about 468.7183597962.

The spelling of 102975971 in words is "one hundred two million, nine hundred seventy-five thousand, nine hundred seventy-one".

Divisors: 1 7 1549 9497 10843 66479 14710853 102975971