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19042285 = 54781031
BaseRepresentation
bin100100010100…
…0111111101101
31022211110002211
41020220333231
514333323120
61520050421
7320566603
oct110507755
938743084
1019042285
11a826829
126463a11
133c39532
142759873
151a1225a
hex1228fed

19042285 has 8 divisors (see below), whose sum is σ = 23337216. Its totient is φ = 14909520.

The previous prime is 19042267. The next prime is 19042307. The reversal of 19042285 is 58224091.

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

It is not a de Polignac number, because 19042285 - 29 = 19041773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40281 + ... + 40750.

It is an arithmetic number, because the mean of its divisors is an integer number (2917152).

Almost surely, 219042285 is an apocalyptic number.

It is an amenable number.

19042285 is a deficient number, since it is larger than the sum of its proper divisors (4294931).

19042285 is an equidigital number, since it uses as much as digits as its factorization.

19042285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81083.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 19042285 is about 4363.7466700073. The cubic root of 19042285 is about 267.0379714731.

The spelling of 19042285 in words is "nineteen million, forty-two thousand, two hundred eighty-five".

Divisors: 1 5 47 235 81031 405155 3808457 19042285