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612708132 = 223237131267
BaseRepresentation
bin100100100001010…
…010111100100100
31120200220210112210
4210201102330210
52223323130012
6140444243420
721116635041
oct4441227444
91520823483
10612708132
11294948763
12151240570
1399c27cba
145b5341c8
1538bcd23c
hex24852f24

612708132 has 48 divisors (see below), whose sum is σ = 1512870912. Its totient is φ = 192598560.

The previous prime is 612708127. The next prime is 612708133. The reversal of 612708132 is 231807216.

It is a super-2 number, since 2×6127081322 = 750822510037858848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 612708132.

It is not an unprimeable number, because it can be changed into a prime (612708133) 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, 3963 + ... + 35229.

It is an arithmetic number, because the mean of its divisors is an integer number (31518144).

Almost surely, 2612708132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 612708132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (756435456).

612708132 is an abundant number, since it is smaller than the sum of its proper divisors (900162780).

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

612708132 is a wasteful number, since it uses less digits than its factorization.

612708132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31368 (or 31366 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 612708132 is about 24752.9418857638. The cubic root of 612708132 is about 849.3458089813.

The spelling of 612708132 in words is "six hundred twelve million, seven hundred eight thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 23 46 69 71 92 138 142 213 276 284 426 852 1633 3266 4899 6532 9798 19596 31267 62534 93801 125068 187602 375204 719141 1438282 2157423 2219957 2876564 4314846 4439914 6659871 8629692 8879828 13319742 26639484 51059011 102118022 153177033 204236044 306354066 612708132