Base | Representation |
---|---|
bin | 100100100001… |
… | …1000011111110 |
3 | 1100000212120020 |
4 | 1021003003332 |
5 | 14400232204 |
6 | 1522233010 |
7 | 321523101 |
oct | 111030376 |
9 | 40025506 |
10 | 19149054 |
11 | a899a71 |
12 | 64b5766 |
13 | 3c76002 |
14 | 2786738 |
15 | 1a33bd9 |
hex | 12430fe |
19149054 has 16 divisors (see below), whose sum is σ = 39333648. Its totient is φ = 6210432.
The previous prime is 19149037. The next prime is 19149073. The reversal of 19149054 is 45094191.
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, 42907 + ... + 43350.
It is an arithmetic number, because the mean of its divisors is an integer number (2458353).
Almost surely, 219149054 is an apocalyptic number.
19149054 is an abundant number, since it is smaller than the sum of its proper divisors (20184594).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19149054 is a wasteful number, since it uses less digits than its factorization.
19149054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 86299.
The product of its (nonzero) digits is 6480, while the sum is 33.
The square root of 19149054 is about 4375.9632082548. The cubic root of 19149054 is about 267.5361304445.
The spelling of 19149054 in words is "nineteen million, one hundred forty-nine thousand, fifty-four".
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