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70572713 = 131538723
BaseRepresentation
bin1000011010011…
…01101010101001
311220210110120012
410031031222221
5121031311323
611000341305
71514600231
oct415155251
9156713505
1070572713
1136922362
121b774835
131180c403
149530cc1
1562e0678
hex434daa9

70572713 has 4 divisors (see below), whose sum is σ = 71111568. Its totient is φ = 70033860.

The previous prime is 70572701. The next prime is 70572721. The reversal of 70572713 is 31727507.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70572713 - 210 = 70571689 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70572713.

It is not an unprimeable number, because it can be changed into a prime (70572743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269231 + ... + 269492.

It is an arithmetic number, because the mean of its divisors is an integer number (17777892).

Almost surely, 270572713 is an apocalyptic number.

It is an amenable number.

70572713 is a deficient number, since it is larger than the sum of its proper divisors (538855).

70572713 is a wasteful number, since it uses less digits than its factorization.

70572713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538854.

The product of its (nonzero) digits is 10290, while the sum is 32.

The square root of 70572713 is about 8400.7566921082. The cubic root of 70572713 is about 413.2494374614.

The spelling of 70572713 in words is "seventy million, five hundred seventy-two thousand, seven hundred thirteen".

Divisors: 1 131 538723 70572713