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42137882 = 240152541
BaseRepresentation
bin1010000010111…
…1100100011010
32221021211022022
42200233210122
541241403012
64103054442
71021110653
oct240574432
987254268
1042137882
11218708a6
1212141422
138964977
14584c52a
153a75472
hex282f91a

42137882 has 8 divisors (see below), whose sum is σ = 63365652. Its totient is φ = 21016000.

The previous prime is 42137869. The next prime is 42137891. The reversal of 42137882 is 28873124.

It can be written as a sum of positive squares in 2 ways, for example, as 24990001 + 17147881 = 4999^2 + 4141^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25469 + ... + 27072.

Almost surely, 242137882 is an apocalyptic number.

42137882 is a deficient number, since it is larger than the sum of its proper divisors (21227770).

42137882 is a wasteful number, since it uses less digits than its factorization.

42137882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52944.

The product of its digits is 21504, while the sum is 35.

The square root of 42137882 is about 6491.3698092159. The cubic root of 42137882 is about 347.9826311409.

The spelling of 42137882 in words is "forty-two million, one hundred thirty-seven thousand, eight hundred eighty-two".

Divisors: 1 2 401 802 52541 105082 21068941 42137882