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68441492 = 2277930941
BaseRepresentation
bin1000001010001…
…01010110010100
311202210012002002
410011011112110
5120010111432
610442534432
71460512610
oct405052624
9152705062
1068441492
11356a7119
121ab07418
1311244332
149138340
15601de62
hex4145594

68441492 has 24 divisors (see below), whose sum is σ = 138620160. Its totient is φ = 28959840.

The previous prime is 68441489. The next prime is 68441531. The reversal of 68441492 is 29414486.

It is a congruent number.

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, 13259 + ... + 17682.

It is an arithmetic number, because the mean of its divisors is an integer number (5775840).

Almost surely, 268441492 is an apocalyptic number.

It is an amenable number.

68441492 is an abundant number, since it is smaller than the sum of its proper divisors (70178668).

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

68441492 is a wasteful number, since it uses less digits than its factorization.

68441492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31031 (or 31029 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 68441492 is about 8272.9373260046. The cubic root of 68441492 is about 409.0469475424.

The spelling of 68441492 in words is "sixty-eight million, four hundred forty-one thousand, four hundred ninety-two".

Divisors: 1 2 4 7 14 28 79 158 316 553 1106 2212 30941 61882 123764 216587 433174 866348 2444339 4888678 9777356 17110373 34220746 68441492