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662713344 = 2103271909
BaseRepresentation
bin100111100000000…
…011010000000000
31201012000022210200
4213200003100000
52324123311334
6145432125200
722264653606
oct4740032000
91635008720
10662713344
113100a2387
12165b36800
13a73b5897
146402d876
153d2a9799
hex27803400

662713344 has 66 divisors (see below), whose sum is σ = 1913597010. Its totient is φ = 220901376.

The previous prime is 662713339. The next prime is 662713399. The reversal of 662713344 is 443317266.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 576000000 + 86713344 = 24000^2 + 9312^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 662713299 and 662713308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26739 + ... + 45170.

Almost surely, 2662713344 is an apocalyptic number.

662713344 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

662713344 is an abundant number, since it is smaller than the sum of its proper divisors (1250883666).

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

662713344 is a wasteful number, since it uses less digits than its factorization.

662713344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71935 (or 71914 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 662713344 is about 25743.2193790909. The cubic root of 662713344 is about 871.8502674759.

The spelling of 662713344 in words is "six hundred sixty-two million, seven hundred thirteen thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 288 384 512 576 768 1024 1152 1536 2304 3072 4608 9216 71909 143818 215727 287636 431454 575272 647181 862908 1150544 1294362 1725816 2301088 2588724 3451632 4602176 5177448 6903264 9204352 10354896 13806528 18408704 20709792 27613056 36817408 41419584 55226112 73634816 82839168 110452224 165678336 220904448 331356672 662713344