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70630711 = 353200087
BaseRepresentation
bin1000011010110…
…11110100110111
311220220102010021
410031123310313
5121040140321
611001510011
71515231304
oct415336467
9156812107
1070630711
1136961998
121b7a2307
131182c928
1495480ab
156302941
hex435bd37

70630711 has 4 divisors (see below), whose sum is σ = 70831152. Its totient is φ = 70430272.

The previous prime is 70630709. The next prime is 70630739. The reversal of 70630711 is 11703607.

70630711 is nontrivially palindromic in base 6.

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 70630711 - 21 = 70630709 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 (70630751) 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, 99691 + ... + 100396.

It is an arithmetic number, because the mean of its divisors is an integer number (17707788).

Almost surely, 270630711 is an apocalyptic number.

70630711 is a deficient number, since it is larger than the sum of its proper divisors (200441).

70630711 is a wasteful number, since it uses less digits than its factorization.

70630711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200440.

The product of its (nonzero) digits is 882, while the sum is 25.

The square root of 70630711 is about 8404.2079341244. The cubic root of 70630711 is about 413.3626118843.

The spelling of 70630711 in words is "seventy million, six hundred thirty thousand, seven hundred eleven".

Divisors: 1 353 200087 70630711