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7038668 = 2271361317
BaseRepresentation
bin11010110110011011001100
3111020121020102
4122312123030
53300214133
6410510232
7113553620
oct32663314
914217212
107038668
113a7828a
122435378
1315c59c0
14d13180
159407e8
hex6b66cc

7038668 has 48 divisors (see below), whose sum is σ = 15457344. Its totient is φ = 2730240.

The previous prime is 7038659. The next prime is 7038671. The reversal of 7038668 is 8668307.

It is an unprimeable number.

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, 22046 + ... + 22362.

It is an arithmetic number, because the mean of its divisors is an integer number (322028).

Almost surely, 27038668 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 7038668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7728672).

7038668 is an abundant number, since it is smaller than the sum of its proper divisors (8418676).

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

7038668 is a wasteful number, since it uses less digits than its factorization.

7038668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402 (or 400 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 7038668 is about 2653.0488122159. The cubic root of 7038668 is about 191.6447060745.

The spelling of 7038668 in words is "seven million, thirty-eight thousand, six hundred sixty-eight".

Divisors: 1 2 4 7 13 14 26 28 52 61 91 122 182 244 317 364 427 634 793 854 1268 1586 1708 2219 3172 4121 4438 5551 8242 8876 11102 16484 19337 22204 28847 38674 57694 77348 115388 135359 251381 270718 502762 541436 1005524 1759667 3519334 7038668