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64226748 = 223171492113
BaseRepresentation
bin1111010100000…
…0010110111100
311110212001112110
43311000112330
5112420223443
610212334020
71406626665
oct365002674
9143761473
1064226748
1133288563
1219614310
13103c9ac1
14875c36c
15598a233
hex3d405bc

64226748 has 48 divisors (see below), whose sum is σ = 159818400. Its totient is φ = 20004864.

The previous prime is 64226737. The next prime is 64226749. The reversal of 64226748 is 84762246.

64226748 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64226749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29340 + ... + 31452.

It is an arithmetic number, because the mean of its divisors is an integer number (3329550).

Almost surely, 264226748 is an apocalyptic number.

64226748 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64226748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79909200).

64226748 is an abundant number, since it is smaller than the sum of its proper divisors (95591652).

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

64226748 is a wasteful number, since it uses less digits than its factorization.

64226748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2286 (or 2284 counting only the distinct ones).

The product of its digits is 129024, while the sum is 39.

The square root of 64226748 is about 8014.1592197809. The cubic root of 64226748 is about 400.4718348774.

The spelling of 64226748 in words is "sixty-four million, two hundred twenty-six thousand, seven hundred forty-eight".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 149 204 298 447 596 894 1788 2113 2533 4226 5066 6339 7599 8452 10132 12678 15198 25356 30396 35921 71842 107763 143684 215526 314837 431052 629674 944511 1259348 1889022 3778044 5352229 10704458 16056687 21408916 32113374 64226748