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142419100 = 22521424191
BaseRepresentation
bin10000111110100…
…10010010011100
3100220222122021111
420133102102130
5242424402400
622044311404
73346354015
oct1037222234
9326878244
10142419100
117343463a
123b842564
1323676475
1414cb400c
15c7833ba
hex87d249c

142419100 has 18 divisors (see below), whose sum is σ = 309049664. Its totient is φ = 56967600.

The previous prime is 142419089. The next prime is 142419127. The reversal of 142419100 is 1914241.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 711996 + ... + 712195.

Almost surely, 2142419100 is an apocalyptic number.

142419100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142419100 is an abundant number, since it is smaller than the sum of its proper divisors (166630564).

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

142419100 is a wasteful number, since it uses less digits than its factorization.

142419100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424205 (or 1424198 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 142419100 is about 11933.9473771255. The cubic root of 142419100 is about 522.2231006139.

The spelling of 142419100 in words is "one hundred forty-two million, four hundred nineteen thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1424191 2848382 5696764 7120955 14241910 28483820 35604775 71209550 142419100