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345672132 = 223132215847
BaseRepresentation
bin10100100110101…
…000100111000100
3220002102222000120
4110212220213010
51201443002012
654144541540
711365110321
oct2446504704
9802388016
10345672132
11168139653
12979218b0
13567cc330
1433ca1b48
152053158c
hex149a89c4

345672132 has 24 divisors (see below), whose sum is σ = 868612416. Its totient is φ = 106360608.

The previous prime is 345672121. The next prime is 345672133. The reversal of 345672132 is 231276543.

It is a junction number, because it is equal to n+sod(n) for n = 345672093 and 345672102.

It is not an unprimeable number, because it can be changed into a prime (345672133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1107768 + ... + 1108079.

It is an arithmetic number, because the mean of its divisors is an integer number (36192184).

Almost surely, 2345672132 is an apocalyptic number.

It is an amenable number.

345672132 is an abundant number, since it is smaller than the sum of its proper divisors (522940284).

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

345672132 is a wasteful number, since it uses less digits than its factorization.

345672132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2215867 (or 2215865 counting only the distinct ones).

The product of its digits is 30240, while the sum is 33.

The square root of 345672132 is about 18592.2600024849. The cubic root of 345672132 is about 701.8130767487.

The spelling of 345672132 in words is "three hundred forty-five million, six hundred seventy-two thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 2215847 4431694 6647541 8863388 13295082 26590164 28806011 57612022 86418033 115224044 172836066 345672132