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70495953 = 31131137503
BaseRepresentation
bin1000011001110…
…10111011010001
311220122120021020
410030322323101
5121021332303
610554550053
71514130363
oct414727321
9156576236
1070495953
113687a720
121b738329
13117b34a8
149510d33
1562c7a53
hex433aed1

70495953 has 32 divisors (see below), whose sum is σ = 106831872. Its totient is φ = 40963200.

The previous prime is 70495939. The next prime is 70495969. The reversal of 70495953 is 35959407.

It is not a de Polignac number, because 70495953 - 28 = 70495697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70445953) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139900 + ... + 140402.

It is an arithmetic number, because the mean of its divisors is an integer number (3338496).

Almost surely, 270495953 is an apocalyptic number.

It is an amenable number.

70495953 is a deficient number, since it is larger than the sum of its proper divisors (36335919).

70495953 is a wasteful number, since it uses less digits than its factorization.

70495953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685.

The product of its (nonzero) digits is 170100, while the sum is 42.

The square root of 70495953 is about 8396.1868130718. The cubic root of 70495953 is about 413.0995564233.

The spelling of 70495953 in words is "seventy million, four hundred ninety-five thousand, nine hundred fifty-three".

Divisors: 1 3 11 31 33 93 137 341 411 503 1023 1507 1509 4247 4521 5533 12741 15593 16599 46717 46779 68911 140151 171523 206733 514569 758021 2136241 2274063 6408723 23498651 70495953