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26530836 = 2232210903
BaseRepresentation
bin110010100110…
…1010000010100
31211220220110120
41211031100110
523242441321
62344351540
7441336243
oct145152024
954826416
1026530836
1113a81012
128a755b0
13565bc27
14374895a
1524e0ec6
hex194d414

26530836 has 12 divisors (see below), whose sum is σ = 61905312. Its totient is φ = 8843608.

The previous prime is 26530831. The next prime is 26530837. The reversal of 26530836 is 63803562.

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

It is a junction number, because it is equal to n+sod(n) for n = 26530797 and 26530806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26530831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1105440 + ... + 1105463.

It is an arithmetic number, because the mean of its divisors is an integer number (5158776).

Almost surely, 226530836 is an apocalyptic number.

It is an amenable number.

26530836 is an abundant number, since it is smaller than the sum of its proper divisors (35374476).

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

26530836 is a wasteful number, since it uses less digits than its factorization.

26530836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2210910 (or 2210908 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 26530836 is about 5150.8092568062. The cubic root of 26530836 is about 298.2521925611.

The spelling of 26530836 in words is "twenty-six million, five hundred thirty thousand, eight hundred thirty-six".

Divisors: 1 2 3 4 6 12 2210903 4421806 6632709 8843612 13265418 26530836