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69969796 = 22137431811
BaseRepresentation
bin1000010101110…
…10011110000100
311212122211111221
410022322132010
5120403013141
610535410124
71506506401
oct412723604
9155584457
1069969796
1136550386
121b523944
131165ab60
1494152a8
156221bd1
hex42ba784

69969796 has 24 divisors (see below), whose sum is σ = 132116544. Its totient is φ = 32232480.

The previous prime is 69969763. The next prime is 69969817. The reversal of 69969796 is 69796996.

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, 37731 + ... + 39541.

It is an arithmetic number, because the mean of its divisors is an integer number (5504856).

Almost surely, 269969796 is an apocalyptic number.

It is an amenable number.

69969796 is a deficient number, since it is larger than the sum of its proper divisors (62146748).

69969796 is a wasteful number, since it uses less digits than its factorization.

69969796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2571 (or 2569 counting only the distinct ones).

The product of its digits is 9920232, while the sum is 61.

The square root of 69969796 is about 8364.7950363413. The cubic root of 69969796 is about 412.0692455955.

The spelling of 69969796 in words is "sixty-nine million, nine hundred sixty-nine thousand, seven hundred ninety-six".

Divisors: 1 2 4 13 26 52 743 1486 1811 2972 3622 7244 9659 19318 23543 38636 47086 94172 1345573 2691146 5382292 17492449 34984898 69969796