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4712891 = 113179233
BaseRepresentation
bin10001111110100110111011
322212102212112
4101332212323
52201303031
6245002535
755026131
oct21764673
98772775
104712891
112729957
1216b344b
13c901c1
148a9751
1563162b
hex47e9bb

4712891 has 8 divisors (see below), whose sum is σ = 4801680. Its totient is φ = 4625152.

The previous prime is 4712863. The next prime is 4712933. The reversal of 4712891 is 1982174.

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

It is a cyclic number.

It is not a de Polignac number, because 4712891 - 214 = 4696507 is a prime.

It is a super-2 number, since 2×47128912 = 44422683155762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4712821) 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, 20111 + ... + 20343.

It is an arithmetic number, because the mean of its divisors is an integer number (600210).

Almost surely, 24712891 is an apocalyptic number.

4712891 is a deficient number, since it is larger than the sum of its proper divisors (88789).

4712891 is a wasteful number, since it uses less digits than its factorization.

4712891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525.

The product of its digits is 4032, while the sum is 32.

The square root of 4712891 is about 2170.9193904887. The cubic root of 4712891 is about 167.6598726058.

The spelling of 4712891 in words is "four million, seven hundred twelve thousand, eight hundred ninety-one".

Divisors: 1 113 179 233 20227 26329 41707 4712891