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68344952 = 2313250551
BaseRepresentation
bin1000001001011…
…01110001111000
311202121021122112
410010231301320
5114444014302
610440511452
71456631264
oct404556170
9152537575
1068344952
1135640635
121aa7b588
131120c400
1491110a4
156000552
hex412dc78

68344952 has 24 divisors (see below), whose sum is σ = 138765240. Its totient is φ = 31543200.

The previous prime is 68344943. The next prime is 68344961. The reversal of 68344952 is 25944386.

It is an interprime number because it is at equal distance from previous prime (68344943) and next prime (68344961).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23924 + ... + 26627.

It is an arithmetic number, because the mean of its divisors is an integer number (5781885).

Almost surely, 268344952 is an apocalyptic number.

It is an amenable number.

68344952 is an abundant number, since it is smaller than the sum of its proper divisors (70420288).

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

68344952 is a wasteful number, since it uses less digits than its factorization.

68344952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50583 (or 50566 counting only the distinct ones).

The product of its digits is 207360, while the sum is 41.

The square root of 68344952 is about 8267.1005800099. The cubic root of 68344952 is about 408.8545302774.

It can be divided in two parts, 68344 and 952, that added together give a palindrome (69296).

The spelling of 68344952 in words is "sixty-eight million, three hundred forty-four thousand, nine hundred fifty-two".

Divisors: 1 2 4 8 13 26 52 104 169 338 676 1352 50551 101102 202204 404408 657163 1314326 2628652 5257304 8543119 17086238 34172476 68344952