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80485700 = 2252804857
BaseRepresentation
bin1001100110000…
…01110101000100
312121110002121212
410303001311010
5131101020300
611553030552
71665055121
oct463016504
9177402555
1080485700
1141483109
1222b55458
13138a0499
14a991748
1570ec935
hex4cc1d44

80485700 has 18 divisors (see below), whose sum is σ = 174654186. Its totient is φ = 32194240.

The previous prime is 80485697. The next prime is 80485751. The reversal of 80485700 is 758408.

It can be written as a sum of positive squares in 3 ways, for example, as 8031556 + 72454144 = 2834^2 + 8512^2 .

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 5 ways as a sum of consecutive naturals, for example, 402329 + ... + 402528.

Almost surely, 280485700 is an apocalyptic number.

It is an amenable number.

80485700 is an abundant number, since it is smaller than the sum of its proper divisors (94168486).

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

80485700 is a wasteful number, since it uses less digits than its factorization.

80485700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804871 (or 804864 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 80485700 is about 8971.3822792254. The cubic root of 80485700 is about 431.7571866504.

The spelling of 80485700 in words is "eighty million, four hundred eighty-five thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 804857 1609714 3219428 4024285 8048570 16097140 20121425 40242850 80485700