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26486916 = 2232207243
BaseRepresentation
bin110010100001…
…0100010000100
31211211200012220
41211002202010
523240040131
62343412340
7441064221
oct145024204
954750186
1026486916
1113a51015
128a540b0
135644c41
143736948
1524d2e96
hex1942884

26486916 has 12 divisors (see below), whose sum is σ = 61802832. Its totient is φ = 8828968.

The previous prime is 26486899. The next prime is 26486921. The reversal of 26486916 is 61968462.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1103610 + ... + 1103633.

It is an arithmetic number, because the mean of its divisors is an integer number (5150236).

Almost surely, 226486916 is an apocalyptic number.

It is an amenable number.

26486916 is an abundant number, since it is smaller than the sum of its proper divisors (35315916).

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

26486916 is a wasteful number, since it uses less digits than its factorization.

26486916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2207250 (or 2207248 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 26486916 is about 5146.5440831688. The cubic root of 26486916 is about 298.0875229008.

The spelling of 26486916 in words is "twenty-six million, four hundred eighty-six thousand, nine hundred sixteen".

Divisors: 1 2 3 4 6 12 2207243 4414486 6621729 8828972 13243458 26486916