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70582431 = 323527477
BaseRepresentation
bin1000011010100…
…00000010011111
311220210221220010
410031100002133
5121032114211
611000454303
71514640453
oct415200237
9156727803
1070582431
1136929697
121b77a393
131181396a
149534663
1562e34a6
hex435009f

70582431 has 4 divisors (see below), whose sum is σ = 94109912. Its totient is φ = 47054952.

The previous prime is 70582427. The next prime is 70582441. The reversal of 70582431 is 13428507.

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

It is not a de Polignac number, because 70582431 - 22 = 70582427 is a prime.

It is a super-2 number, since 2×705824312 = 9963759131739522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70582411) 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, 11763736 + ... + 11763741.

It is an arithmetic number, because the mean of its divisors is an integer number (23527478).

Almost surely, 270582431 is an apocalyptic number.

70582431 is a deficient number, since it is larger than the sum of its proper divisors (23527481).

70582431 is a wasteful number, since it uses less digits than its factorization.

70582431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23527480.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 70582431 is about 8401.3350724751. The cubic root of 70582431 is about 413.2684050083.

The spelling of 70582431 in words is "seventy million, five hundred eighty-two thousand, four hundred thirty-one".

Divisors: 1 3 23527477 70582431