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612496340 = 22530624817
BaseRepresentation
bin100100100000011…
…111001111010100
31120200112001000122
4210200133033110
52223244340330
6140435531112
721115063421
oct4440371724
91520461018
10612496340
11294813625
12151159a98
1399b82791
145b4bad48
1538b8a5e5
hex2481f3d4

612496340 has 12 divisors (see below), whose sum is σ = 1286242356. Its totient is φ = 244998528.

The previous prime is 612496337. The next prime is 612496351. The reversal of 612496340 is 43694216.

It can be written as a sum of positive squares in 2 ways, for example, as 350962756 + 261533584 = 18734^2 + 16172^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 612496340.

It is a congruent number.

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, 15312389 + ... + 15312428.

It is an arithmetic number, because the mean of its divisors is an integer number (107186863).

Almost surely, 2612496340 is an apocalyptic number.

It is an amenable number.

612496340 is an abundant number, since it is smaller than the sum of its proper divisors (673746016).

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

612496340 is a wasteful number, since it uses less digits than its factorization.

612496340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30624826 (or 30624824 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 612496340 is about 24748.6633982524. The cubic root of 612496340 is about 849.2479345509.

The spelling of 612496340 in words is "six hundred twelve million, four hundred ninety-six thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 30624817 61249634 122499268 153124085 306248170 612496340