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80479146 = 23114129741
BaseRepresentation
bin1001100110000…
…00001110101010
312121102202122010
410303000032222
5131100313041
611552540350
71665030036
oct463001652
9177382563
1080479146
11414791a0
1222b516b6
131389a4c7
14a98d1c6
1570eaa16
hex4cc03aa

80479146 has 32 divisors (see below), whose sum is σ = 179879616. Its totient is φ = 23792000.

The previous prime is 80479121. The next prime is 80479159. The reversal of 80479146 is 64197408.

It is a happy 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 in 15 ways as a sum of consecutive naturals, for example, 12165 + ... + 17576.

It is an arithmetic number, because the mean of its divisors is an integer number (5621238).

Almost surely, 280479146 is an apocalyptic number.

80479146 is an abundant number, since it is smaller than the sum of its proper divisors (99400470).

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

80479146 is a wasteful number, since it uses less digits than its factorization.

80479146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29798.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 80479146 is about 8971.0169992036. The cubic root of 80479146 is about 431.7454669146.

The spelling of 80479146 in words is "eighty million, four hundred seventy-nine thousand, one hundred forty-six".

Divisors: 1 2 3 6 11 22 33 41 66 82 123 246 451 902 1353 2706 29741 59482 89223 178446 327151 654302 981453 1219381 1962906 2438762 3658143 7316286 13413191 26826382 40239573 80479146