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65080970 = 256508097
BaseRepresentation
bin1111100001000…
…0111010001010
311112110110022022
43320100322022
5113130042340
610242524442
71420115303
oct370207212
9145413268
1065080970
1133811329
1219966722
1310638866
1489017aa
155aa83b5
hex3e10e8a

65080970 has 8 divisors (see below), whose sum is σ = 117145764. Its totient is φ = 26032384.

The previous prime is 65080963. The next prime is 65081011. The reversal of 65080970 is 7908056.

It can be written as a sum of positive squares in 2 ways, for example, as 61512649 + 3568321 = 7843^2 + 1889^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×650809702 = 8471065312281800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65080970.

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, 3254039 + ... + 3254058.

Almost surely, 265080970 is an apocalyptic number.

65080970 is a deficient number, since it is larger than the sum of its proper divisors (52064794).

65080970 is a wasteful number, since it uses less digits than its factorization.

65080970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6508104.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 65080970 is about 8067.2777316763. The cubic root of 65080970 is about 402.2394594878.

The spelling of 65080970 in words is "sixty-five million, eighty thousand, nine hundred seventy".

Divisors: 1 2 5 10 6508097 13016194 32540485 65080970