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65304941 = 13311311237
BaseRepresentation
bin1111100100011…
…1100101101101
311112212211112112
43321013211231
5113204224231
610251413405
71422040262
oct371074555
9145784475
1065304941
1133954629
1219a54265
13106b67a0
14895d269
155aee92b
hex3e4796d

65304941 has 16 divisors (see below), whose sum is σ = 73210368. Its totient is φ = 57844800.

The previous prime is 65304937. The next prime is 65304961. The reversal of 65304941 is 14940356.

It is not a de Polignac number, because 65304941 - 22 = 65304937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 65304898 and 65304907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65304901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52175 + ... + 53411.

It is an arithmetic number, because the mean of its divisors is an integer number (4575648).

Almost surely, 265304941 is an apocalyptic number.

It is an amenable number.

65304941 is a deficient number, since it is larger than the sum of its proper divisors (7905427).

65304941 is a wasteful number, since it uses less digits than its factorization.

65304941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 65304941 is about 8081.1472576609. The cubic root of 65304941 is about 402.7003562511.

The spelling of 65304941 in words is "sixty-five million, three hundred four thousand, nine hundred forty-one".

Divisors: 1 13 31 131 403 1237 1703 4061 16081 38347 52793 162047 498511 2106611 5023457 65304941