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244091641 = 592741183
BaseRepresentation
bin11101000110010…
…00101011111001
3122000022010210011
432203020223321
5444441413031
640115421521
76022513303
oct1643105371
9560263704
10244091641
11115868732
12698b48a1
133b754331
14245bc973
15166686b1
hexe8c8af9

244091641 has 4 divisors (see below), whose sum is σ = 244138752. Its totient is φ = 244044532.

The previous prime is 244091621. The next prime is 244091669. The reversal of 244091641 is 146190442.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 244091641 - 27 = 244091513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244091621) 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, 14665 + ... + 26518.

It is an arithmetic number, because the mean of its divisors is an integer number (61034688).

Almost surely, 2244091641 is an apocalyptic number.

It is an amenable number.

244091641 is a deficient number, since it is larger than the sum of its proper divisors (47111).

244091641 is an equidigital number, since it uses as much as digits as its factorization.

244091641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47110.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 244091641 is about 15623.4324333675. The cubic root of 244091641 is about 624.9581975241.

The spelling of 244091641 in words is "two hundred forty-four million, ninety-one thousand, six hundred forty-one".

Divisors: 1 5927 41183 244091641