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106025491 = 11131939023
BaseRepresentation
bin1100101000111…
…01001000010011
321101111122122001
412110131020103
5204120303431
614304254431
72425126135
oct624351023
9241448561
10106025491
1154937580
122b611417
1318c732a0
141011d055
159494e61
hex651d213

106025491 has 16 divisors (see below), whose sum is σ = 131120640. Its totient is φ = 84287520.

The previous prime is 106025483. The next prime is 106025501. The reversal of 106025491 is 194520601.

It is a cyclic number.

It is not a de Polignac number, because 106025491 - 23 = 106025483 is a prime.

It is a super-2 number, since 2×1060254912 = 22482809483582162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106025411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16795 + ... + 22228.

It is an arithmetic number, because the mean of its divisors is an integer number (8195040).

Almost surely, 2106025491 is an apocalyptic number.

106025491 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

106025491 is a deficient number, since it is larger than the sum of its proper divisors (25095149).

106025491 is a wasteful number, since it uses less digits than its factorization.

106025491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39066.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 106025491 is about 10296.8680189658. The cubic root of 106025491 is about 473.3002829642.

The spelling of 106025491 in words is "one hundred six million, twenty-five thousand, four hundred ninety-one".

Divisors: 1 11 13 19 143 209 247 2717 39023 429253 507299 741437 5580289 8155807 9638681 106025491