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5438624 = 25169957
BaseRepresentation
bin10100101111110010100000
3101020022101112
4110233302200
52343013444
6312322452
764141022
oct24576240
911208345
105438624
113085134
1219a3428
131185629
14a18012
1572669e
hex52fca0

5438624 has 12 divisors (see below), whose sum is σ = 10707354. Its totient is φ = 2719296.

The previous prime is 5438611. The next prime is 5438627. The reversal of 5438624 is 4268345.

It can be written as a sum of positive squares in only one way, i.e., 5438224 + 400 = 2332^2 + 20^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 169957 = 5438624 / (5 + 4 + 3 + 8 + 6 + 2 + 4).

It is not an unprimeable number, because it can be changed into a prime (5438627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84947 + ... + 85010.

Almost surely, 25438624 is an apocalyptic number.

It is an amenable number.

5438624 is a deficient number, since it is larger than the sum of its proper divisors (5268730).

5438624 is a wasteful number, since it uses less digits than its factorization.

5438624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169967 (or 169959 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

The square root of 5438624 is about 2332.0857617163. The cubic root of 5438624 is about 175.8583571123.

The spelling of 5438624 in words is "five million, four hundred thirty-eight thousand, six hundred twenty-four".

Divisors: 1 2 4 8 16 32 169957 339914 679828 1359656 2719312 5438624