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70434775 = 5213920269
BaseRepresentation
bin1000011001010…
…11111111010111
311220112110100101
410030223333113
5121012403100
610553354531
71513454125
oct414537727
9156473311
1070434775
1136838764
121b708a47
13117916a8
1494d6915
1562b486a
hex432bfd7

70434775 has 12 divisors (see below), whose sum is σ = 87971800. Its totient is φ = 55939680.

The previous prime is 70434751. The next prime is 70434779. The reversal of 70434775 is 57743407.

It is not a de Polignac number, because 70434775 - 27 = 70434647 is a prime.

It is a super-2 number, since 2×704347752 = 9922115058601250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70434779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6660 + ... + 13609.

Almost surely, 270434775 is an apocalyptic number.

70434775 is a deficient number, since it is larger than the sum of its proper divisors (17537025).

70434775 is a wasteful number, since it uses less digits than its factorization.

70434775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20418 (or 20413 counting only the distinct ones).

The product of its (nonzero) digits is 82320, while the sum is 37.

The square root of 70434775 is about 8392.5428208619. The cubic root of 70434775 is about 412.9800227582.

The spelling of 70434775 in words is "seventy million, four hundred thirty-four thousand, seven hundred seventy-five".

Divisors: 1 5 25 139 695 3475 20269 101345 506725 2817391 14086955 70434775