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70157375 = 53678377
BaseRepresentation
bin1000010111010…
…00010000111111
311220000100211022
410023220100333
5120430014000
610543414355
71511220311
oct413502077
9156010738
1070157375
1136669302
121b5b43bb
13116c5352
1494637b1
15625c585
hex42e843f

70157375 has 16 divisors (see below), whose sum is σ = 88873824. Its totient is φ = 55281600.

The previous prime is 70157363. The next prime is 70157377. The reversal of 70157375 is 57375107.

It is a Cunningham number, because it is equal to 83762-1.

It is not a de Polignac number, because 70157375 - 24 = 70157359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70157377) 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 15 ways as a sum of consecutive naturals, for example, 4187 + ... + 12563.

It is an arithmetic number, because the mean of its divisors is an integer number (5554614).

Almost surely, 270157375 is an apocalyptic number.

70157375 is a deficient number, since it is larger than the sum of its proper divisors (18716449).

70157375 is an equidigital number, since it uses as much as digits as its factorization.

70157375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8459 (or 8449 counting only the distinct ones).

The product of its (nonzero) digits is 25725, while the sum is 35.

The square root of 70157375 is about 8375.9999403056. Note that the first 4 decimals coincide. The cubic root of 70157375 is about 412.4371498979.

The spelling of 70157375 in words is "seventy million, one hundred fifty-seven thousand, three hundred seventy-five".

Divisors: 1 5 25 67 125 335 1675 8375 8377 41885 209425 561259 1047125 2806295 14031475 70157375