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19045241 = 79241079
BaseRepresentation
bin100100010100…
…1101101111001
31022211121011022
41020221231321
514333421431
61520112225
7320611325
oct110515571
938747138
1019045241
11a828a76
126465675
133c3a997
14275a985
151a1307b
hex1229b79

19045241 has 4 divisors (see below), whose sum is σ = 19286400. Its totient is φ = 18804084.

The previous prime is 19045231. The next prime is 19045283. The reversal of 19045241 is 14254091.

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 19045241 - 210 = 19044217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 19045241.

It is not an unprimeable number, because it can be changed into a prime (19045211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120461 + ... + 120618.

It is an arithmetic number, because the mean of its divisors is an integer number (4821600).

Almost surely, 219045241 is an apocalyptic number.

It is an amenable number.

19045241 is a deficient number, since it is larger than the sum of its proper divisors (241159).

19045241 is an equidigital number, since it uses as much as digits as its factorization.

19045241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241158.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 19045241 is about 4364.0853566355. The cubic root of 19045241 is about 267.0517885019.

The spelling of 19045241 in words is "nineteen million, forty-five thousand, two hundred forty-one".

Divisors: 1 79 241079 19045241