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3129132 = 223260761
BaseRepresentation
bin1011111011111100101100
312212222100210
423323330230
51300113012
6151022420
735411556
oct13737454
95788323
103129132
111847a66
12106aa10
13857376
145b64d6
1541c23c
hex2fbf2c

3129132 has 12 divisors (see below), whose sum is σ = 7301336. Its totient is φ = 1043040.

The previous prime is 3129121. The next prime is 3129169. The reversal of 3129132 is 2319213.

It is a happy number.

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 = 3129099 and 3129108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130369 + ... + 130392.

Almost surely, 23129132 is an apocalyptic number.

It is an amenable number.

3129132 is an abundant number, since it is smaller than the sum of its proper divisors (4172204).

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

3129132 is a wasteful number, since it uses less digits than its factorization.

3129132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260768 (or 260766 counting only the distinct ones).

The product of its digits is 324, while the sum is 21.

The square root of 3129132 is about 1768.9352729820. The cubic root of 3129132 is about 146.2652960844.

The spelling of 3129132 in words is "three million, one hundred twenty-nine thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 260761 521522 782283 1043044 1564566 3129132