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19124142 = 235989607
BaseRepresentation
bin100100011110…
…0111110101110
31022222121101120
41020330332232
514343433032
61521521410
7321360342
oct110747656
938877346
1019124142
11a882284
1264a3266
133c6787b
14277b622
151a2b62c
hex123cfae

19124142 has 32 divisors (see below), whose sum is σ = 39398400. Its totient is φ = 6186048.

The previous prime is 19124123. The next prime is 19124143. The reversal of 19124142 is 24142191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19124143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31203 + ... + 31809.

It is an arithmetic number, because the mean of its divisors is an integer number (1231200).

Almost surely, 219124142 is an apocalyptic number.

19124142 is an abundant number, since it is smaller than the sum of its proper divisors (20274258).

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

19124142 is a wasteful number, since it uses less digits than its factorization.

19124142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760.

The product of its digits is 576, while the sum is 24.

The square root of 19124142 is about 4373.1158228430. The cubic root of 19124142 is about 267.4200628763.

The spelling of 19124142 in words is "nineteen million, one hundred twenty-four thousand, one hundred forty-two".

Divisors: 1 2 3 6 59 89 118 177 178 267 354 534 607 1214 1821 3642 5251 10502 15753 31506 35813 54023 71626 107439 108046 162069 214878 324138 3187357 6374714 9562071 19124142