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125664086 = 21731792029
BaseRepresentation
bin1110111110101…
…11101101010110
322202110101201102
413133113231112
5224132222321
620245230102
73054061412
oct737275526
9282411642
10125664086
1164a30319
1236102332
132005b062
1412991d42
15b073c0b
hex77d7b56

125664086 has 16 divisors (see below), whose sum is σ = 190738800. Its totient is φ = 62089248.

The previous prime is 125664053. The next prime is 125664089. The reversal of 125664086 is 680466521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125664089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60920 + ... + 62948.

It is an arithmetic number, because the mean of its divisors is an integer number (11921175).

Almost surely, 2125664086 is an apocalyptic number.

125664086 is a deficient number, since it is larger than the sum of its proper divisors (65074714).

125664086 is a wasteful number, since it uses less digits than its factorization.

125664086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2383.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 125664086 is about 11209.9993755575. Note that the first 3 decimals coincide. The cubic root of 125664086 is about 500.8838845754.

The spelling of 125664086 in words is "one hundred twenty-five million, six hundred sixty-four thousand, eighty-six".

Divisors: 1 2 173 179 346 358 2029 4058 30967 61934 351017 363191 702034 726382 62832043 125664086