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80625434 = 2417313469
BaseRepresentation
bin1001100111000…
…11111100011010
312121201012022012
410303203330122
5131120003214
612000025522
71666206401
oct463437432
9177635265
1080625434
114156909a
12230022a2
131391bc76
14a9ca638
15712903e
hex4ce3f1a

80625434 has 16 divisors (see below), whose sum is σ = 125594280. Its totient is φ = 38787840.

The previous prime is 80625401. The next prime is 80625437. The reversal of 80625434 is 43452608.

It can be written as a sum of positive squares in 4 ways, for example, as 56957209 + 23668225 = 7547^2 + 4865^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 80625434.

It is not an unprimeable number, because it can be changed into a prime (80625437) 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, 749 + ... + 12720.

Almost surely, 280625434 is an apocalyptic number.

80625434 is a deficient number, since it is larger than the sum of its proper divisors (44968846).

80625434 is a wasteful number, since it uses less digits than its factorization.

80625434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13585.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 80625434 is about 8979.1666651199. The cubic root of 80625434 is about 432.0069050394.

The spelling of 80625434 in words is "eighty million, six hundred twenty-five thousand, four hundred thirty-four".

Divisors: 1 2 41 73 82 146 2993 5986 13469 26938 552229 983237 1104458 1966474 40312717 80625434