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633472 = 2772101
BaseRepresentation
bin10011010101010000000
31012011221221
42122222000
5130232342
621324424
75245600
oct2325200
91164857
10633472
113a2a34
12266714
13192448
14126c00
15c7a67
hex9aa80

633472 has 48 divisors (see below), whose sum is σ = 1482570. Its totient is φ = 268800.

The previous prime is 633469. The next prime is 633473. The reversal of 633472 is 274336.

It can be written as a sum of positive squares in only one way, i.e., 379456 + 254016 = 616^2 + 504^2 .

It is not an unprimeable number, because it can be changed into a prime (633473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6222 + ... + 6322.

2633472 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 633472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (741285).

633472 is an abundant number, since it is smaller than the sum of its proper divisors (849098).

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

633472 is a wasteful number, since it uses less digits than its factorization.

633472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 110 counting only the distinct ones).

The product of its digits is 3024, while the sum is 25.

The square root of 633472 is about 795.9095425989. The cubic root of 633472 is about 85.8833825890.

The spelling of 633472 in words is "six hundred thirty-three thousand, four hundred seventy-two".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 64 98 101 112 128 196 202 224 392 404 448 707 784 808 896 1414 1568 1616 2828 3136 3232 4949 5656 6272 6464 9898 11312 12928 19796 22624 39592 45248 79184 90496 158368 316736 633472