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612141047 = 787448721
BaseRepresentation
bin100100011111001…
…000011111110111
31120122211222122122
4210133020133313
52223202003142
6140424150155
721112053530
oct4437103767
91518758578
10612141047
112945a06a1
1215100835b
1399a89b4b
145b427687
1538b1a1d2
hex247c87f7

612141047 has 4 divisors (see below), whose sum is σ = 699589776. Its totient is φ = 524692320.

The previous prime is 612141041. The next prime is 612141109. The reversal of 612141047 is 740141216.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 612141047 - 226 = 545032183 is a prime.

It is a super-2 number, since 2×6121410472 = 749433322844512418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612141041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43724354 + ... + 43724367.

It is an arithmetic number, because the mean of its divisors is an integer number (174897444).

Almost surely, 2612141047 is an apocalyptic number.

612141047 is a deficient number, since it is larger than the sum of its proper divisors (87448729).

612141047 is an equidigital number, since it uses as much as digits as its factorization.

612141047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87448728.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 612141047 is about 24741.4843329983. The cubic root of 612141047 is about 849.0836940008.

The spelling of 612141047 in words is "six hundred twelve million, one hundred forty-one thousand, forty-seven".

Divisors: 1 7 87448721 612141047