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61318968 = 2334675471
BaseRepresentation
bin1110100111101…
…0011100111000
311021101022210220
43221322130320
5111144201333
610030140040
71343126334
oct351723470
9137338726
1061318968
1131681937
1218651620
13c91c419
1482027c4
1555b38b3
hex3a7a738

61318968 has 32 divisors (see below), whose sum is σ = 153653760. Its totient is φ = 20392160.

The previous prime is 61318967. The next prime is 61318981. The reversal of 61318968 is 86981316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61318967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8473 + ... + 13943.

It is an arithmetic number, because the mean of its divisors is an integer number (4801680).

Almost surely, 261318968 is an apocalyptic number.

It is an amenable number.

61318968 is an abundant number, since it is smaller than the sum of its proper divisors (92334792).

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

61318968 is a wasteful number, since it uses less digits than its factorization.

61318968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5947 (or 5943 counting only the distinct ones).

The product of its digits is 62208, while the sum is 42.

The square root of 61318968 is about 7830.6428854852. The cubic root of 61318968 is about 394.3346551606.

The spelling of 61318968 in words is "sixty-one million, three hundred eighteen thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 24 467 934 1401 1868 2802 3736 5471 5604 10942 11208 16413 21884 32826 43768 65652 131304 2554957 5109914 7664871 10219828 15329742 20439656 30659484 61318968