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920157914 = 21343738093
BaseRepresentation
bin110110110110000…
…111111011011010
32101010102212100202
4312312013323122
53341030023124
6231150102202
731542133064
oct6666077332
92333385322
10920157914
11432450295
122181aa962
13118833950
148a2c6734
1555bae5ae
hex36d87eda

920157914 has 16 divisors (see below), whose sum is σ = 1486932552. Its totient is φ = 424538688.

The previous prime is 920157839. The next prime is 920157937. The reversal of 920157914 is 419751029.

It can be written as a sum of positive squares in 4 ways, for example, as 642369025 + 277788889 = 25345^2 + 16667^2 .

It is an unprimeable number.

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, 109652 + ... + 117744.

Almost surely, 2920157914 is an apocalyptic number.

920157914 is a deficient number, since it is larger than the sum of its proper divisors (566774638).

920157914 is a wasteful number, since it uses less digits than its factorization.

920157914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12481.

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 920157914 is about 30334.1047997135. The cubic root of 920157914 is about 972.6444699164.

The spelling of 920157914 in words is "nine hundred twenty million, one hundred fifty-seven thousand, nine hundred fourteen".

Divisors: 1 2 13 26 4373 8093 8746 16186 56849 105209 113698 210418 35390689 70781378 460078957 920157914