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64630601 = 737249539
BaseRepresentation
bin1111011010001…
…0111101001001
311111121120111222
43312202331021
5113021134401
610225131425
71413231260
oct366427511
9144546458
1064630601
1133533a22
1219789b75
131050b879
1488255d7
155a19c1b
hex3da2f49

64630601 has 8 divisors (see below), whose sum is σ = 75860160. Its totient is φ = 53900208.

The previous prime is 64630541. The next prime is 64630603. The reversal of 64630601 is 10603646.

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

It is a cyclic number.

It is not a de Polignac number, because 64630601 - 210 = 64629577 is a prime.

It is a super-2 number, since 2×646306012 = 8354229171242402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64630603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124511 + ... + 125028.

It is an arithmetic number, because the mean of its divisors is an integer number (9482520).

Almost surely, 264630601 is an apocalyptic number.

It is an amenable number.

64630601 is a deficient number, since it is larger than the sum of its proper divisors (11229559).

64630601 is a wasteful number, since it uses less digits than its factorization.

64630601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249583.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 64630601 is about 8039.3159534876. The cubic root of 64630601 is about 401.3094606874.

The spelling of 64630601 in words is "sixty-four million, six hundred thirty thousand, six hundred one".

Divisors: 1 7 37 259 249539 1746773 9232943 64630601