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80411156 = 22721724133
BaseRepresentation
bin1001100101011…
…11101000010100
312121022022100222
410302233220110
5131041124111
611551253512
71664324600
oct462575024
9177268328
1080411156
1141432101
1222b1a298
1313875587
14a972500
1570d57db
hex4cafa14

80411156 has 36 divisors (see below), whose sum is σ = 173330388. Its totient is φ = 32433408.

The previous prime is 80411143. The next prime is 80411183. The reversal of 80411156 is 65111408.

It can be written as a sum of positive squares in 2 ways, for example, as 49984900 + 30426256 = 7070^2 + 5516^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8735 + ... + 15398.

It is an arithmetic number, because the mean of its divisors is an integer number (4814733).

Almost surely, 280411156 is an apocalyptic number.

It is an amenable number.

80411156 is an abundant number, since it is smaller than the sum of its proper divisors (92919232).

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

80411156 is a wasteful number, since it uses less digits than its factorization.

80411156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24168 (or 24159 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 80411156 is about 8967.2267730888. The cubic root of 80411156 is about 431.6238509599.

The spelling of 80411156 in words is "eighty million, four hundred eleven thousand, one hundred fifty-six".

Divisors: 1 2 4 7 14 17 28 34 49 68 98 119 196 238 476 833 1666 3332 24133 48266 96532 168931 337862 410261 675724 820522 1182517 1641044 2365034 2871827 4730068 5743654 11487308 20102789 40205578 80411156