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BaseRepresentation
bin1111010010010…
…1001010100100
311110122101202010
43310211022210
5112403142424
610210114220
71405654155
oct364451244
9143571663
1064115364
1133211905
121957b970
131038b1b1
14872d92c
155967229
hex3d252a4

64115364 has 48 divisors (see below), whose sum is σ = 158977728. Its totient is φ = 20041728.

The previous prime is 64115341. The next prime is 64115371. The reversal of 64115364 is 46351146.

It is a super-2 number, since 2×641153642 = 8221559801704992, which contains 22 as substring.

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, 94932 + ... + 95604.

It is an arithmetic number, because the mean of its divisors is an integer number (3312036).

Almost surely, 264115364 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64115364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79488864).

64115364 is an abundant number, since it is smaller than the sum of its proper divisors (94862364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64115364 is a wasteful number, since it uses less digits than its factorization.

64115364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164 (or 1162 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 64115364 is about 8007.2070036936. The cubic root of 64115364 is about 400.2401974008.

The spelling of 64115364 in words is "sixty-four million, one hundred fifteen thousand, three hundred sixty-four".