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70757005 = 5111286491
BaseRepresentation
bin1000011011110…
…10101010001101
311221010211100211
410031322222031
5121103211010
611004322421
71516265434
oct415725215
9157124324
1070757005
1136a38870
121b843411
1311875267
14957c11b
15632a08a
hex437aa8d

70757005 has 8 divisors (see below), whose sum is σ = 92627424. Its totient is φ = 51459600.

The previous prime is 70757003. The next prime is 70757017. The reversal of 70757005 is 50075707.

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

It is not a de Polignac number, because 70757005 - 21 = 70757003 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 (70757003) 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, 643191 + ... + 643300.

It is an arithmetic number, because the mean of its divisors is an integer number (11578428).

Almost surely, 270757005 is an apocalyptic number.

It is an amenable number.

70757005 is a deficient number, since it is larger than the sum of its proper divisors (21870419).

70757005 is a wasteful number, since it uses less digits than its factorization.

70757005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286507.

The product of its (nonzero) digits is 8575, while the sum is 31.

The square root of 70757005 is about 8411.7183143517. The cubic root of 70757005 is about 413.6088415672.

The spelling of 70757005 in words is "seventy million, seven hundred fifty-seven thousand, five".

Divisors: 1 5 11 55 1286491 6432455 14151401 70757005