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26668430 = 2516316361
BaseRepresentation
bin110010110111…
…0110110001110
31212011220012122
41211232312032
523311342210
62351332542
7442451345
oct145566616
955156178
1026668430
1114065428
128b21152
1356a9749
143782b5c
15251bb55
hex196ed8e

26668430 has 16 divisors (see below), whose sum is σ = 48300624. Its totient is φ = 10601280.

The previous prime is 26668423. The next prime is 26668459. The reversal of 26668430 is 3486662.

It is a super-2 number, since 2×266684302 = 1422410317329800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6551 + ... + 9810.

It is an arithmetic number, because the mean of its divisors is an integer number (3018789).

Almost surely, 226668430 is an apocalyptic number.

26668430 is a deficient number, since it is larger than the sum of its proper divisors (21632194).

26668430 is a wasteful number, since it uses less digits than its factorization.

26668430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16531.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 26668430 is about 5164.1485261367. The cubic root of 26668430 is about 298.7669014673.

The spelling of 26668430 in words is "twenty-six million, six hundred sixty-eight thousand, four hundred thirty".

Divisors: 1 2 5 10 163 326 815 1630 16361 32722 81805 163610 2666843 5333686 13334215 26668430