Search a number
-
+
133330671 = 339750909
BaseRepresentation
bin1111111001001…
…11011011101111
3100021212220022000
413330213123233
5233113040141
621121423343
73206202105
oct774473357
9307786260
10133330671
1169297341
123879ab53
13218137b6
14139c9c75
15ba8a5b6
hex7f276ef

133330671 has 16 divisors (see below), whose sum is σ = 199567200. Its totient is φ = 87969024.

The previous prime is 133330663. The next prime is 133330679. The reversal of 133330671 is 176033331.

It is an interprime number because it is at equal distance from previous prime (133330663) and next prime (133330679).

It is not a de Polignac number, because 133330671 - 23 = 133330663 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133330679) 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, 22836 + ... + 28073.

It is an arithmetic number, because the mean of its divisors is an integer number (12472950).

Almost surely, 2133330671 is an apocalyptic number.

133330671 is a deficient number, since it is larger than the sum of its proper divisors (66236529).

133330671 is an equidigital number, since it uses as much as digits as its factorization.

133330671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51015 (or 51009 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 27.

The square root of 133330671 is about 11546.8901008020. The cubic root of 133330671 is about 510.8695546212.

The spelling of 133330671 in words is "one hundred thirty-three million, three hundred thirty thousand, six hundred seventy-one".

Divisors: 1 3 9 27 97 291 873 2619 50909 152727 458181 1374543 4938173 14814519 44443557 133330671