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612965231 is a prime number
BaseRepresentation
bin100100100010010…
…001101101101111
31120201101212012222
4210202101231233
52223404341411
6140453545555
721122055434
oct4442215557
91521355188
10612965231
1129500393a
121513452bb
1399cb8028
145b59db8b
1538c2e4db
hex24891b6f

612965231 has 2 divisors, whose sum is σ = 612965232. Its totient is φ = 612965230.

The previous prime is 612965207. The next prime is 612965239. The reversal of 612965231 is 132569216.

612965231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 612965231 - 26 = 612965167 is a prime.

It is a super-2 number, since 2×6129652312 = 751452748829766722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 612965191 and 612965200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (612965239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306482615 + 306482616.

It is an arithmetic number, because the mean of its divisors is an integer number (306482616).

Almost surely, 2612965231 is an apocalyptic number.

612965231 is a deficient number, since it is larger than the sum of its proper divisors (1).

612965231 is an equidigital number, since it uses as much as digits as its factorization.

612965231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 35.

The square root of 612965231 is about 24758.1346429815. The cubic root of 612965231 is about 849.4645906170.

The spelling of 612965231 in words is "six hundred twelve million, nine hundred sixty-five thousand, two hundred thirty-one".