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70436526 = 2331378691
BaseRepresentation
bin1000011001011…
…00011010101110
311220112112202020
410030230122232
5121012432101
610553411010
71513462206
oct414543256
9156475666
1070436526
113683a006
121b709a66
1311792424
1494d7406
1562b5136
hex432c6ae

70436526 has 16 divisors (see below), whose sum is σ = 145417728. Its totient is φ = 22721400.

The previous prime is 70436521. The next prime is 70436609. The reversal of 70436526 is 62563407.

It is a super-2 number, since 2×704365262 = 9922608389897352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70436521) 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 7 ways as a sum of consecutive naturals, for example, 189160 + ... + 189531.

It is an arithmetic number, because the mean of its divisors is an integer number (9088608).

Almost surely, 270436526 is an apocalyptic number.

70436526 is an abundant number, since it is smaller than the sum of its proper divisors (74981202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70436526 is a wasteful number, since it uses less digits than its factorization.

70436526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378727.

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 70436526 is about 8392.6471390140. The cubic root of 70436526 is about 412.9834449410.

The spelling of 70436526 in words is "seventy million, four hundred thirty-six thousand, five hundred twenty-six".

Divisors: 1 2 3 6 31 62 93 186 378691 757382 1136073 2272146 11739421 23478842 35218263 70436526