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76990488 = 23337277313
BaseRepresentation
bin1001001011011…
…00100000011000
312100212112002120
410211230200120
5124202143423
611350101240
71623260031
oct445544030
9170775076
1076990488
113a506103
122194a820
1312c48603
14a321a88
156b5bee3
hex496c818

76990488 has 64 divisors (see below), whose sum is σ = 199025760. Its totient is φ = 24800256.

The previous prime is 76990421. The next prime is 76990493. The reversal of 76990488 is 88409967.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 76990488.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245820 + ... + 246132.

Almost surely, 276990488 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 76990488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99512880).

76990488 is an abundant number, since it is smaller than the sum of its proper divisors (122035272).

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

76990488 is a wasteful number, since it uses less digits than its factorization.

76990488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636 (or 632 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 76990488 is about 8774.4223741509. The cubic root of 76990488 is about 425.4145675650.

The spelling of 76990488 in words is "seventy-six million, nine hundred ninety thousand, four hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 24 37 74 111 148 222 277 296 313 444 554 626 831 888 939 1108 1252 1662 1878 2216 2504 3324 3756 6648 7512 10249 11581 20498 23162 30747 34743 40996 46324 61494 69486 81992 86701 92648 122988 138972 173402 245976 260103 277944 346804 520206 693608 1040412 2080824 3207937 6415874 9623811 12831748 19247622 25663496 38495244 76990488