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80674752 = 2632914489
BaseRepresentation
bin1001100111011…
…11111111000000
312121210200221210
410303233333000
5131123043002
612001050120
71666503234
oct463577700
9177720853
1080674752
11415a2154
1223026940
1313938552
14aa005c4
15713896c
hex4ceffc0

80674752 has 56 divisors (see below), whose sum is σ = 220827600. Its totient is φ = 25962496.

The previous prime is 80674739. The next prime is 80674787. The reversal of 80674752 is 25747608.

It is a super-2 number, since 2×806747522 = 13016831220523008, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80674752.

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, 1677 + ... + 12812.

It is an arithmetic number, because the mean of its divisors is an integer number (3943350).

Almost surely, 280674752 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 80674752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110413800).

80674752 is an abundant number, since it is smaller than the sum of its proper divisors (140152848).

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

80674752 is a wasteful number, since it uses less digits than its factorization.

80674752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14533 (or 14523 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 80674752 is about 8981.9124912237. The cubic root of 80674752 is about 432.0949722608.

The spelling of 80674752 in words is "eighty million, six hundred seventy-four thousand, seven hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 29 32 48 58 64 87 96 116 174 192 232 348 464 696 928 1392 1856 2784 5568 14489 28978 43467 57956 86934 115912 173868 231824 347736 420181 463648 695472 840362 927296 1260543 1390944 1680724 2521086 2781888 3361448 5042172 6722896 10084344 13445792 20168688 26891584 40337376 80674752