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5631472 = 247211653
BaseRepresentation
bin10101011110110111110000
3101121002221001
4111132313300
52420201342
6320411344
765603200
oct25366760
911532831
105631472
1131a7010
121a76b54
131222342
14a68400
157638b7
hex55edf0

5631472 has 60 divisors (see below), whose sum is σ = 13867416. Its totient is φ = 2190720.

The previous prime is 5631443. The next prime is 5631499. The reversal of 5631472 is 2741365.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 5631472.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8298 + ... + 8950.

Almost surely, 25631472 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 5631472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6933708).

5631472 is an abundant number, since it is smaller than the sum of its proper divisors (8235944).

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

5631472 is a wasteful number, since it uses less digits than its factorization.

5631472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686 (or 673 counting only the distinct ones).

The product of its digits is 5040, while the sum is 28.

The square root of 5631472 is about 2373.0722702859. The cubic root of 5631472 is about 177.9128471216.

The spelling of 5631472 in words is "five million, six hundred thirty-one thousand, four hundred seventy-two".

Divisors: 1 2 4 7 8 11 14 16 22 28 44 49 56 77 88 98 112 154 176 196 308 392 539 616 653 784 1078 1232 1306 2156 2612 4312 4571 5224 7183 8624 9142 10448 14366 18284 28732 31997 36568 50281 57464 63994 73136 100562 114928 127988 201124 255976 351967 402248 511952 703934 804496 1407868 2815736 5631472