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80808632 = 2310101079
BaseRepresentation
bin1001101000100…
…00101010111000
312122001111121022
410310100222320
5131141334012
612004002012
72000601452
oct464205270
9178044538
1080808632
11416837a3
1223090308
1313984478
14aa372d2
157163472
hex4d10ab8

80808632 has 8 divisors (see below), whose sum is σ = 151516200. Its totient is φ = 40404312.

The previous prime is 80808619. The next prime is 80808641. The reversal of 80808632 is 23680808.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×808086322 = 13060070011422848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80808592 and 80808601.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050532 + ... + 5050547.

It is an arithmetic number, because the mean of its divisors is an integer number (18939525).

Almost surely, 280808632 is an apocalyptic number.

It is an amenable number.

80808632 is a deficient number, since it is larger than the sum of its proper divisors (70707568).

80808632 is a wasteful number, since it uses less digits than its factorization.

80808632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10101085 (or 10101081 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 80808632 is about 8989.3621575727. The cubic root of 80808632 is about 432.3338611440. Note that the first 3 decimals are identical.

The spelling of 80808632 in words is "eighty million, eight hundred eight thousand, six hundred thirty-two".

Divisors: 1 2 4 8 10101079 20202158 40404316 80808632