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612961271 = 1353889639
BaseRepresentation
bin100100100010010…
…000101111110111
31120201101122210022
4210202100233313
52223404230041
6140453515355
721122041046
oct4442205767
91521348708
10612961271
1129500096a
12151342b5b
1399cb62a0
145b59c55d
1538c2d24b
hex24890bf7

612961271 has 8 divisors (see below), whose sum is σ = 672567840. Its totient is φ = 555134112.

The previous prime is 612961241. The next prime is 612961291. The reversal of 612961271 is 172169216.

612961271 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 612961271 - 210 = 612960247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612961241) 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, 444131 + ... + 445508.

It is an arithmetic number, because the mean of its divisors is an integer number (84070980).

Almost surely, 2612961271 is an apocalyptic number.

612961271 is a deficient number, since it is larger than the sum of its proper divisors (59606569).

612961271 is a wasteful number, since it uses less digits than its factorization.

612961271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889705.

The product of its digits is 9072, while the sum is 35.

The square root of 612961271 is about 24758.0546691375. The cubic root of 612961271 is about 849.4627613196.

The spelling of 612961271 in words is "six hundred twelve million, nine hundred sixty-one thousand, two hundred seventy-one".

Divisors: 1 13 53 689 889639 11565307 47150867 612961271