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19005064 = 2313214057
BaseRepresentation
bin100100001111…
…1111010001000
31022202120001021
41020133322020
514331130224
61515202224
7320353231
oct110377210
938676037
1019005064
11a800871
126446374
133c25600
14274a088
151a061e4
hex121fe88

19005064 has 24 divisors (see below), whose sum is σ = 38589210. Its totient is φ = 8770944.

The previous prime is 19005059. The next prime is 19005071. The reversal of 19005064 is 46050091.

It can be written as a sum of positive squares in 3 ways, for example, as 4120900 + 14884164 = 2030^2 + 3858^2 .

It is a super-2 number, since 2×190050642 = 722384915288192, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5677 + ... + 8380.

Almost surely, 219005064 is an apocalyptic number.

It is an amenable number.

19005064 is an abundant number, since it is smaller than the sum of its proper divisors (19584146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19005064 is a wasteful number, since it uses less digits than its factorization.

19005064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14089 (or 14072 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 19005064 is about 4359.4797854790. The cubic root of 19005064 is about 266.8638694084.

The spelling of 19005064 in words is "nineteen million, five thousand, sixty-four".

Divisors: 1 2 4 8 13 26 52 104 169 338 676 1352 14057 28114 56228 112456 182741 365482 730964 1461928 2375633 4751266 9502532 19005064