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70571027 = 167422581
BaseRepresentation
bin1000011010011…
…01010000010011
311220210101020202
410031031100103
5121031233102
611000325415
71514562302
oct415152023
9156711222
1070571027
113692106a
121b77386b
131180b707
149530439
1562dee02
hex434d413

70571027 has 4 divisors (see below), whose sum is σ = 70993776. Its totient is φ = 70148280.

The previous prime is 70571009. The next prime is 70571051. The reversal of 70571027 is 72017507.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72017507 = 277259991.

It is a cyclic number.

It is not a de Polignac number, because 70571027 - 28 = 70570771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70571057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211124 + ... + 211457.

It is an arithmetic number, because the mean of its divisors is an integer number (17748444).

Almost surely, 270571027 is an apocalyptic number.

70571027 is a deficient number, since it is larger than the sum of its proper divisors (422749).

70571027 is a wasteful number, since it uses less digits than its factorization.

70571027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422748.

The product of its (nonzero) digits is 3430, while the sum is 29.

The square root of 70571027 is about 8400.6563434056. The cubic root of 70571027 is about 413.2461465573.

The spelling of 70571027 in words is "seventy million, five hundred seventy-one thousand, twenty-seven".

Divisors: 1 167 422581 70571027