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64302485 = 5133726737
BaseRepresentation
bin1111010101001…
…0110110010101
311110222220102112
43311102312111
5112430134420
610214120405
71410363542
oct365226625
9143886375
1064302485
113332a455
1219650105
1310425410
14877bbc9
1559a28c5
hex3d52d95

64302485 has 16 divisors (see below), whose sum is σ = 85347696. Its totient is φ = 46199808.

The previous prime is 64302467. The next prime is 64302493. The reversal of 64302485 is 58420346.

It can be written as a sum of positive squares in 8 ways, for example, as 158404 + 64144081 = 398^2 + 8009^2 .

It is a cyclic number.

It is not a de Polignac number, because 64302485 - 26 = 64302421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10964 + ... + 15773.

It is an arithmetic number, because the mean of its divisors is an integer number (5334231).

Almost surely, 264302485 is an apocalyptic number.

64302485 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

64302485 is a deficient number, since it is larger than the sum of its proper divisors (21045211).

64302485 is a wasteful number, since it uses less digits than its factorization.

64302485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26792.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 64302485 is about 8018.8830269558. The cubic root of 64302485 is about 400.6291868741.

The spelling of 64302485 in words is "sixty-four million, three hundred two thousand, four hundred eighty-five".

Divisors: 1 5 13 37 65 185 481 2405 26737 133685 347581 989269 1737905 4946345 12860497 64302485