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68446944 = 253426407
BaseRepresentation
bin1000001010001…
…10101011100000
311202210110120000
410011012223200
5120010300234
610443020000
71460534526
oct405065340
9152713500
1068446944
1135700225
121ab0a600
1311246967
14913a316
156020899
hex4146ae0

68446944 has 60 divisors (see below), whose sum is σ = 201308184. Its totient is φ = 22814784.

The previous prime is 68446901. The next prime is 68446969. The reversal of 68446944 is 44964486.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 68446944.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10612 + ... + 15795.

Almost surely, 268446944 is an apocalyptic number.

It is an amenable number.

68446944 is an abundant number, since it is smaller than the sum of its proper divisors (132861240).

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

68446944 is a wasteful number, since it uses less digits than its factorization.

68446944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26429 (or 26412 counting only the distinct ones).

The product of its digits is 663552, while the sum is 45.

The square root of 68446944 is about 8273.2668275597. The cubic root of 68446944 is about 409.0578087158.

The spelling of 68446944 in words is "sixty-eight million, four hundred forty-six thousand, nine hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 81 96 108 144 162 216 288 324 432 648 864 1296 2592 26407 52814 79221 105628 158442 211256 237663 316884 422512 475326 633768 712989 845024 950652 1267536 1425978 1901304 2138967 2535072 2851956 3802608 4277934 5703912 7605216 8555868 11407824 17111736 22815648 34223472 68446944