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80068776 = 23317196247
BaseRepresentation
bin1001100010111…
…00000010101000
312120122220201020
410301130002220
5130444200101
611540052440
71661400444
oct461340250
9176586636
1080068776
1141218947
1222994120
1313785798
14a8c3824
157069136
hex4c5c0a8

80068776 has 32 divisors (see below), whose sum is σ = 211947840. Its totient is φ = 25119488.

The previous prime is 80068741. The next prime is 80068787. The reversal of 80068776 is 67786008.

It is a super-2 number, since 2×800687762 = 12822017780276352, which contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

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, 97716 + ... + 98531.

It is an arithmetic number, because the mean of its divisors is an integer number (6623370).

Almost surely, 280068776 is an apocalyptic number.

It is an amenable number.

80068776 is an abundant number, since it is smaller than the sum of its proper divisors (131879064).

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

80068776 is a wasteful number, since it uses less digits than its factorization.

80068776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196273 (or 196269 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 80068776 is about 8948.1157793135. The cubic root of 80068776 is about 431.0103804722.

The spelling of 80068776 in words is "eighty million, sixty-eight thousand, seven hundred seventy-six".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 102 136 204 408 196247 392494 588741 784988 1177482 1569976 2354964 3336199 4709928 6672398 10008597 13344796 20017194 26689592 40034388 80068776