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8090680 = 2351315559
BaseRepresentation
bin11110110111010000111000
3120020001022211
4132313100320
54032400210
6445224504
7125524663
oct36672070
916201284
108090680
114626714
122862134
1318a37b0
1411086da
15a9c38a
hex7b7438

8090680 has 32 divisors (see below), whose sum is σ = 19605600. Its totient is φ = 2987136.

The previous prime is 8090671. The next prime is 8090683. The reversal of 8090680 is 860908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8090683) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7260 + ... + 8299.

It is an arithmetic number, because the mean of its divisors is an integer number (612675).

Almost surely, 28090680 is an apocalyptic number.

It is an amenable number.

8090680 is an abundant number, since it is smaller than the sum of its proper divisors (11514920).

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

8090680 is a wasteful number, since it uses less digits than its factorization.

8090680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15583 (or 15579 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 8090680 is about 2844.4120657879. The cubic root of 8090680 is about 200.7528293509.

The spelling of 8090680 in words is "eight million, ninety thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 15559 31118 62236 77795 124472 155590 202267 311180 404534 622360 809068 1011335 1618136 2022670 4045340 8090680