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1392968346 = 237113478689
BaseRepresentation
bin101001100000111…
…0000001010011010
310121002010010100020
41103001300022122
510323044441341
6350120051310
746343015130
oct12301601232
93532103306
101392968346
11655326810
1232a603b36
13192789033
14d3001750
1582456566
hex5307029a

1392968346 has 64 divisors (see below), whose sum is σ = 3483786240. Its totient is φ = 360725760.

The previous prime is 1392968309. The next prime is 1392968363. The reversal of 1392968346 is 6438692931.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 155970 + ... + 164658.

It is an arithmetic number, because the mean of its divisors is an integer number (54434160).

Almost surely, 21392968346 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1392968346, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1741893120).

1392968346 is an abundant number, since it is smaller than the sum of its proper divisors (2090817894).

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

1392968346 is a wasteful number, since it uses less digits than its factorization.

1392968346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9059.

The product of its digits is 1679616, while the sum is 51.

The square root of 1392968346 is about 37322.4911547983. The cubic root of 1392968346 is about 1116.8128849099.

The spelling of 1392968346 in words is "one billion, three hundred ninety-two million, nine hundred sixty-eight thousand, three hundred forty-six".

Divisors: 1 2 3 6 7 11 14 21 22 33 42 66 77 154 231 347 462 694 1041 2082 2429 3817 4858 7287 7634 8689 11451 14574 17378 22902 26067 26719 52134 53438 60823 80157 95579 121646 160314 182469 191158 286737 364938 573474 669053 1338106 2007159 3015083 4014318 6030166 9045249 18090498 21105581 33165913 42211162 63316743 66331826 99497739 126633486 198995478 232161391 464322782 696484173 1392968346