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80315088 = 24371511583
BaseRepresentation
bin1001100100110…
…00001011010000
312121010102120220
410302120023100
5131030040323
611545233040
71663444530
oct462301320
9177112526
1080315088
1141376a07
1222a92780
1313840929
14a9494c0
1570b70e3
hex4c982d0

80315088 has 80 divisors (see below), whose sum is σ = 238841856. Its totient is φ = 22780800.

The previous prime is 80315083. The next prime is 80315159. The reversal of 80315088 is 88051308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80315083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49945 + ... + 51527.

Almost surely, 280315088 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 80315088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119420928).

80315088 is an abundant number, since it is smaller than the sum of its proper divisors (158526768).

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

80315088 is a wasteful number, since it uses less digits than its factorization.

80315088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752 (or 1746 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 80315088 is about 8961.8685551619. The cubic root of 80315088 is about 431.4518940403.

The spelling of 80315088 in words is "eighty million, three hundred fifteen thousand, eighty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 151 168 302 336 453 604 906 1057 1208 1583 1812 2114 2416 3166 3171 3624 4228 4749 6332 6342 7248 8456 9498 11081 12664 12684 16912 18996 22162 25328 25368 33243 37992 44324 50736 66486 75984 88648 132972 177296 239033 265944 478066 531888 717099 956132 1434198 1673231 1912264 2868396 3346462 3824528 5019693 5736792 6692924 10039386 11473584 13385848 20078772 26771696 40157544 80315088