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26693420 = 22513102667
BaseRepresentation
bin110010111010…
…0111100101100
31212020011111012
41211310330230
523313142140
62352044352
7442614245
oct145647454
955204435
1026693420
1114082186
128b336b8
1356b7c30
14378bccc
152524265
hex1974f2c

26693420 has 24 divisors (see below), whose sum is σ = 60368784. Its totient is φ = 9855936.

The previous prime is 26693413. The next prime is 26693479. The reversal of 26693420 is 2439662.

It is a plaindrome in base 14.

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, 51074 + ... + 51593.

It is an arithmetic number, because the mean of its divisors is an integer number (2515366).

Almost surely, 226693420 is an apocalyptic number.

26693420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26693420 is an abundant number, since it is smaller than the sum of its proper divisors (33675364).

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

26693420 is a wasteful number, since it uses less digits than its factorization.

26693420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102689 (or 102687 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 26693420 is about 5166.5675259305. The cubic root of 26693420 is about 298.8601934732.

The spelling of 26693420 in words is "twenty-six million, six hundred ninety-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 102667 205334 410668 513335 1026670 1334671 2053340 2669342 5338684 6673355 13346710 26693420