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80310628 = 2229692333
BaseRepresentation
bin1001100100101…
…11000101100100
312121010012110201
410302113011210
5131024420003
611545200244
71663425526
oct462270544
9177105421
1080310628
1141373622
1222a90084
131383b8a8
14a947a16
1570b5b1d
hex4c97164

80310628 has 12 divisors (see below), whose sum is σ = 145390140. Its totient is φ = 38770592.

The previous prime is 80310619. The next prime is 80310631. The reversal of 80310628 is 82601308.

It can be written as a sum of positive squares in 2 ways, for example, as 51236964 + 29073664 = 7158^2 + 5392^2 .

It is a junction number, because it is equal to n+sod(n) for n = 80310596 and 80310605.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346051 + ... + 346282.

It is an arithmetic number, because the mean of its divisors is an integer number (12115845).

Almost surely, 280310628 is an apocalyptic number.

It is an amenable number.

80310628 is a deficient number, since it is larger than the sum of its proper divisors (65079512).

80310628 is a wasteful number, since it uses less digits than its factorization.

80310628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692366 (or 692364 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 80310628 is about 8961.6197196712. The cubic root of 80310628 is about 431.4439075332.

The spelling of 80310628 in words is "eighty million, three hundred ten thousand, six hundred twenty-eight".

Divisors: 1 2 4 29 58 116 692333 1384666 2769332 20077657 40155314 80310628