Search a number
-
+
69494712 = 23371672477
BaseRepresentation
bin1000010010001…
…10011110111000
311211202200211020
410021012132320
5120242312322
610521302440
71502460330
oct411063670
9154680736
1069494712
1136256451
121b334a20
1311522841
1493300c0
15617b05c
hex42467b8

69494712 has 64 divisors (see below), whose sum is σ = 199825920. Its totient is φ = 19728768.

The previous prime is 69494699. The next prime is 69494741. The reversal of 69494712 is 21749496.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26818 + ... + 29294.

It is an arithmetic number, because the mean of its divisors is an integer number (3122280).

Almost surely, 269494712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69494712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99912960).

69494712 is an abundant number, since it is smaller than the sum of its proper divisors (130331208).

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

69494712 is a wasteful number, since it uses less digits than its factorization.

69494712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2660 (or 2656 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 69494712 is about 8336.3488410695. The cubic root of 69494712 is about 411.1344981636.

The spelling of 69494712 in words is "sixty-nine million, four hundred ninety-four thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 167 168 334 501 668 1002 1169 1336 2004 2338 2477 3507 4008 4676 4954 7014 7431 9352 9908 14028 14862 17339 19816 28056 29724 34678 52017 59448 69356 104034 138712 208068 413659 416136 827318 1240977 1654636 2481954 2895613 3309272 4963908 5791226 8686839 9927816 11582452 17373678 23164904 34747356 69494712