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70715027 = 73968699
BaseRepresentation
bin1000011011100…
…00011010010011
311221001200210002
410031300122103
5121100340102
611003400215
71516032155
oct415603223
9157050702
1070715027
1136a0a279
121b82306b
131185c116
14956aad5
15631c902
hex4370693

70715027 has 4 divisors (see below), whose sum is σ = 71683800. Its totient is φ = 69746256.

The previous prime is 70715023. The next prime is 70715063. The reversal of 70715027 is 72051707.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70715027 - 22 = 70715023 is a prime.

It is a super-2 number, since 2×707150272 = 10001230087221458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70715023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 484277 + ... + 484422.

It is an arithmetic number, because the mean of its divisors is an integer number (17920950).

Almost surely, 270715027 is an apocalyptic number.

70715027 is a deficient number, since it is larger than the sum of its proper divisors (968773).

70715027 is an equidigital number, since it uses as much as digits as its factorization.

70715027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968772.

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

The square root of 70715027 is about 8409.2227345933. Note that the first 3 decimals coincide. The cubic root of 70715027 is about 413.5270314970.

The spelling of 70715027 in words is "seventy million, seven hundred fifteen thousand, twenty-seven".

Divisors: 1 73 968699 70715027