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612943038 = 2345476917
BaseRepresentation
bin100100100010001…
…100010010111110
31120201100201210000
4210202030102332
52223403134123
6140453255130
721121633641
oct4442142276
91521321700
10612943038
11294a991a4
121513344a6
1399caabb6
145b595a58
1538c27b43
hex2488c4be

612943038 has 40 divisors (see below), whose sum is σ = 1376156232. Its totient is φ = 203911344.

The previous prime is 612943033. The next prime is 612943049. The reversal of 612943038 is 830349216.

612943038 is a `hidden beast` number, since 61 + 294 + 303 + 8 = 666.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 612942993 and 612943011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612943033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 85156 + ... + 92072.

Almost surely, 2612943038 is an apocalyptic number.

612943038 is an abundant number, since it is smaller than the sum of its proper divisors (763213194).

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

612943038 is a wasteful number, since it uses less digits than its factorization.

612943038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7478 (or 7469 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 612943038 is about 24757.6864427999. The cubic root of 612943038 is about 849.4543385971.

The spelling of 612943038 in words is "six hundred twelve million, nine hundred forty-three thousand, thirty-eight".

Divisors: 1 2 3 6 9 18 27 54 81 162 547 1094 1641 3282 4923 6917 9846 13834 14769 20751 29538 41502 44307 62253 88614 124506 186759 373518 560277 1120554 3783599 7567198 11350797 22701594 34052391 68104782 102157173 204314346 306471519 612943038