Search a number
-
+
65125090 = 256512509
BaseRepresentation
bin1111100001101…
…1101011100010
311112112200211101
43320123223202
5113133000330
610243505014
71420361032
oct370335342
9145480741
1065125090
1133841498
121998816a
1310652974
1489138c2
155ab64ca
hex3e1bae2

65125090 has 8 divisors (see below), whose sum is σ = 117225180. Its totient is φ = 26050032.

The previous prime is 65125087. The next prime is 65125111. The reversal of 65125090 is 9052156.

It can be written as a sum of positive squares in 2 ways, for example, as 64754209 + 370881 = 8047^2 + 609^2 .

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

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, 3256245 + ... + 3256264.

Almost surely, 265125090 is an apocalyptic number.

65125090 is a deficient number, since it is larger than the sum of its proper divisors (52100090).

65125090 is a wasteful number, since it uses less digits than its factorization.

65125090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6512516.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 65125090 is about 8070.0117719865. The cubic root of 65125090 is about 402.3303349830.

The spelling of 65125090 in words is "sixty-five million, one hundred twenty-five thousand, ninety".

Divisors: 1 2 5 10 6512509 13025018 32562545 65125090