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133252105 = 5731191643
BaseRepresentation
bin1111111000101…
…00010000001001
3100021201220112011
413330110100021
5233103031410
621120015521
73205424050
oct774242011
9307656464
10133252105
1169243308
12387615a1
13217b6acc
14139a9397
15ba7218a
hex7f14409

133252105 has 32 divisors (see below), whose sum is σ = 189923328. Its totient is φ = 87825600.

The previous prime is 133252037. The next prime is 133252117. The reversal of 133252105 is 501252331.

It is not a de Polignac number, because 133252105 - 27 = 133251977 is a prime.

It is a super-2 number, since 2×1332521052 = 35512246973862050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 206914 + ... + 207556.

It is an arithmetic number, because the mean of its divisors is an integer number (5935104).

Almost surely, 2133252105 is an apocalyptic number.

It is an amenable number.

133252105 is a deficient number, since it is larger than the sum of its proper divisors (56671223).

133252105 is a wasteful number, since it uses less digits than its factorization.

133252105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 133252105 is about 11543.4875579263. The cubic root of 133252105 is about 510.7691904580.

The spelling of 133252105 in words is "one hundred thirty-three million, two hundred fifty-two thousand, one hundred five".

Divisors: 1 5 7 31 35 155 191 217 643 955 1085 1337 3215 4501 5921 6685 19933 22505 29605 41447 99665 122813 139531 207235 614065 697655 859691 3807203 4298455 19036015 26650421 133252105