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42020236 = 22127181457
BaseRepresentation
bin1010000001001…
…0110110001100
32221001211221001
42200102312030
541224121421
64100350044
71020110656
oct240226614
987054831
1042020236
11217a0475
12120a5324
13892325b
14581b6d6
153a50691
hex2812d8c

42020236 has 24 divisors (see below), whose sum is σ = 74686976. Its totient is φ = 20684160.

The previous prime is 42020233. The next prime is 42020249. The reversal of 42020236 is 63202024.

It is not an unprimeable number, because it can be changed into a prime (42020233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91720 + ... + 92176.

Almost surely, 242020236 is an apocalyptic number.

It is an amenable number.

42020236 is a deficient number, since it is larger than the sum of its proper divisors (32666740).

42020236 is a wasteful number, since it uses less digits than its factorization.

42020236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769 (or 767 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 42020236 is about 6482.3017516928. The cubic root of 42020236 is about 347.6584816166.

The spelling of 42020236 in words is "forty-two million, twenty thousand, two hundred thirty-six".

Divisors: 1 2 4 127 181 254 362 457 508 724 914 1828 22987 45974 58039 82717 91948 116078 165434 232156 330868 10505059 21010118 42020236