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5215668 = 2231737691
BaseRepresentation
bin10011111001010110110100
3100210222112220
4103321112310
52313400133
6303442340
762222013
oct23712664
910728486
105215668
112a42677
1218b63b0
131107cc3
1499aa7a
156d05b3
hex4f95b4

5215668 has 48 divisors (see below), whose sum is σ = 13253184. Its totient is φ = 1589760.

The previous prime is 5215663. The next prime is 5215669. The reversal of 5215668 is 8665125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5215663) 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, 7203 + ... + 7893.

It is an arithmetic number, because the mean of its divisors is an integer number (276108).

Almost surely, 25215668 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 5215668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6626592).

5215668 is an abundant number, since it is smaller than the sum of its proper divisors (8037516).

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

5215668 is a wasteful number, since it uses less digits than its factorization.

5215668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752 (or 750 counting only the distinct ones).

The product of its digits is 14400, while the sum is 33.

The square root of 5215668 is about 2283.7837025428. The cubic root of 5215668 is about 173.4216496025.

The spelling of 5215668 in words is "five million, two hundred fifteen thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 12 17 34 37 51 68 74 102 111 148 204 222 444 629 691 1258 1382 1887 2073 2516 2764 3774 4146 7548 8292 11747 23494 25567 35241 46988 51134 70482 76701 102268 140964 153402 306804 434639 869278 1303917 1738556 2607834 5215668