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80808052 = 22135926339
BaseRepresentation
bin1001101000100…
…00100001110100
312122001110210211
410310100201310
5131141324202
612003555204
72000566663
oct464204164
9178043724
1080808052
1141683316
122308bb04
1313984120
14aa36dda
1571631d7
hex4d10874

80808052 has 24 divisors (see below), whose sum is σ = 154879200. Its totient is φ = 36662496.

The previous prime is 80808043. The next prime is 80808059. The reversal of 80808052 is 25080808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80808059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10102 + ... + 16237.

It is an arithmetic number, because the mean of its divisors is an integer number (6453300).

Almost surely, 280808052 is an apocalyptic number.

It is an amenable number.

80808052 is a deficient number, since it is larger than the sum of its proper divisors (74071148).

80808052 is a wasteful number, since it uses less digits than its factorization.

80808052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26415 (or 26413 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 31.

The square root of 80808052 is about 8989.3298971614. The cubic root of 80808052 is about 432.3328267898.

The spelling of 80808052 in words is "eighty million, eight hundred eight thousand, fifty-two".

Divisors: 1 2 4 13 26 52 59 118 236 767 1534 3068 26339 52678 105356 342407 684814 1369628 1554001 3108002 6216004 20202013 40404026 80808052