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747968 = 26132931
BaseRepresentation
bin10110110100111000000
31102000000112
42312213000
5142413333
624010452
76233444
oct2664700
91360015
10747968
11470a61
12300a28
132025b0
14156824
15eb948
hexb69c0

747968 has 56 divisors (see below), whose sum is σ = 1706880. Its totient is φ = 322560.

The previous prime is 747953. The next prime is 747977. The reversal of 747968 is 869747.

It is a super-2 number, since 2×7479682 = 1118912258048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

747968 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24113 + ... + 24143.

It is an arithmetic number, because the mean of its divisors is an integer number (30480).

2747968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 747968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (853440).

747968 is an abundant number, since it is smaller than the sum of its proper divisors (958912).

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

747968 is a wasteful number, since it uses less digits than its factorization.

747968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85 (or 75 counting only the distinct ones).

The product of its digits is 84672, while the sum is 41.

The square root of 747968 is about 864.8514323281. The cubic root of 747968 is about 90.7739023369.

The spelling of 747968 in words is "seven hundred forty-seven thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 13 16 26 29 31 32 52 58 62 64 104 116 124 208 232 248 377 403 416 464 496 754 806 832 899 928 992 1508 1612 1798 1856 1984 3016 3224 3596 6032 6448 7192 11687 12064 12896 14384 23374 24128 25792 28768 46748 57536 93496 186992 373984 747968