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80395002 = 2321032421
BaseRepresentation
bin1001100101010…
…11101011111010
312121021111012200
410302223223322
5131040120002
611551051030
71664226522
oct462535372
9177244180
1080395002
1141420a56
1222b10a76
131386b10c
14a96a682
1570d0b1c
hex4cabafa

80395002 has 36 divisors (see below), whose sum is σ = 176314554. Its totient is φ = 26475120.

The previous prime is 80394991. The next prime is 80395027. The reversal of 80395002 is 20059308.

It can be written as a sum of positive squares in only one way, i.e., 80299521 + 95481 = 8961^2 + 309^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 190752 + ... + 191172.

Almost surely, 280395002 is an apocalyptic number.

80395002 is an abundant number, since it is smaller than the sum of its proper divisors (95919552).

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

80395002 is a wasteful number, since it uses less digits than its factorization.

80395002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635 (or 529 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 80395002 is about 8966.3260034420. The cubic root of 80395002 is about 431.5949456894.

It can be divided in two parts, 8039 and 5002, that added together give a triangular number (13041 = T161).

The spelling of 80395002 in words is "eighty million, three hundred ninety-five thousand, two".

Divisors: 1 2 3 6 9 18 103 206 309 421 618 842 927 1263 1854 2526 3789 7578 10609 21218 31827 43363 63654 86726 95481 130089 190962 260178 390267 780534 4466389 8932778 13399167 26798334 40197501 80395002