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70258871 = 4111811451
BaseRepresentation
bin1000011000000…
…01000010110111
311220012112001102
410030001002313
5120441240441
610545520315
71512122234
oct414010267
9156175042
1070258871
1136728591
121b64309b
131172c5c7
14948c78b
15627c69b
hex43010b7

70258871 has 8 divisors (see below), whose sum is σ = 72083088. Its totient is φ = 68440000.

The previous prime is 70258817. The next prime is 70258879. The reversal of 70258871 is 17885207.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70258871 - 218 = 69996727 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 (70258879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47696 + ... + 49146.

It is an arithmetic number, because the mean of its divisors is an integer number (9010386).

Almost surely, 270258871 is an apocalyptic number.

70258871 is a deficient number, since it is larger than the sum of its proper divisors (1824217).

70258871 is a wasteful number, since it uses less digits than its factorization.

70258871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2673.

The product of its (nonzero) digits is 31360, while the sum is 38.

The square root of 70258871 is about 8382.0564899075. The cubic root of 70258871 is about 412.6359436844.

The spelling of 70258871 in words is "seventy million, two hundred fifty-eight thousand, eight hundred seventy-one".

Divisors: 1 41 1181 1451 48421 59491 1713631 70258871