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109263531 = 3133977057
BaseRepresentation
bin1101000001100…
…11101010101011
321121121011101110
412200303222223
5210432413111
614501521403
72464503366
oct640635253
9247534343
10109263531
1156749343
1230713263
13198380a0
14107230dd
1598d45a6
hex6833aab

109263531 has 16 divisors (see below), whose sum is σ = 157308704. Its totient is φ = 67060224.

The previous prime is 109263529. The next prime is 109263541. The reversal of 109263531 is 135362901.

It is not a de Polignac number, because 109263531 - 21 = 109263529 is a prime.

It is a super-3 number, since 3×1092635313 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109263521) 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, 11955 + ... + 19011.

It is an arithmetic number, because the mean of its divisors is an integer number (9831794).

Almost surely, 2109263531 is an apocalyptic number.

109263531 is a deficient number, since it is larger than the sum of its proper divisors (48045173).

109263531 is a wasteful number, since it uses less digits than its factorization.

109263531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7470.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 109263531 is about 10452.9197356528. The cubic root of 109263531 is about 478.0702775938.

The spelling of 109263531 in words is "one hundred nine million, two hundred sixty-three thousand, five hundred thirty-one".

Divisors: 1 3 13 39 397 1191 5161 7057 15483 21171 91741 275223 2801629 8404887 36421177 109263531