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70881034 = 275395527
BaseRepresentation
bin1000011100110…
…00111100001010
311221101010111111
410032120330022
5121121143114
611011120534
71520323150
oct416307412
9157333444
1070881034
1137012a74
121b8a314a
13118b9853
1495b13d0
156351bc4
hex4398f0a

70881034 has 16 divisors (see below), whose sum is σ = 123804288. Its totient is φ = 29804112.

The previous prime is 70880969. The next prime is 70881049. The reversal of 70881034 is 43018807.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 70880987 and 70881005.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47022 + ... + 48505.

It is an arithmetic number, because the mean of its divisors is an integer number (7737768).

Almost surely, 270881034 is an apocalyptic number.

70881034 is a deficient number, since it is larger than the sum of its proper divisors (52923254).

70881034 is a wasteful number, since it uses less digits than its factorization.

70881034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95589.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 70881034 is about 8419.0874802439. The cubic root of 70881034 is about 413.8503702851.

The spelling of 70881034 in words is "seventy million, eight hundred eighty-one thousand, thirty-four".

Divisors: 1 2 7 14 53 106 371 742 95527 191054 668689 1337378 5062931 10125862 35440517 70881034