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70561375 = 53564491
BaseRepresentation
bin1000011010010…
…10111001011111
311220202220000021
410031022321133
5121030431000
611000213011
71514522203
oct415127137
9156686007
1070561375
1136914895
121b76a167
13118071c1
14952ab03
1562dc11a
hex434ae5f

70561375 has 8 divisors (see below), whose sum is σ = 88060752. Its totient is φ = 56449000.

The previous prime is 70561367. The next prime is 70561399. The reversal of 70561375 is 57316507.

It is not a de Polignac number, because 70561375 - 23 = 70561367 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70561375.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282121 + ... + 282370.

It is an arithmetic number, because the mean of its divisors is an integer number (11007594).

Almost surely, 270561375 is an apocalyptic number.

70561375 is a deficient number, since it is larger than the sum of its proper divisors (17499377).

70561375 is an equidigital number, since it uses as much as digits as its factorization.

70561375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564506 (or 564496 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 34.

The square root of 70561375 is about 8400.0818448394. The cubic root of 70561375 is about 413.2273058053.

The spelling of 70561375 in words is "seventy million, five hundred sixty-one thousand, three hundred seventy-five".

Divisors: 1 5 25 125 564491 2822455 14112275 70561375