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42135862 = 2231994603
BaseRepresentation
bin1010000010111…
…1000100110110
32221021201112111
42200233010312
541241321422
64103041234
71021102036
oct240570466
987251474
1042135862
112186a32a
121214021a
138963a82
14584b8c6
153a74a77
hex282f136

42135862 has 16 divisors (see below), whose sum is σ = 66297600. Its totient is φ = 20046312.

The previous prime is 42135833. The next prime is 42135871. The reversal of 42135862 is 26853124.

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, 6853 + ... + 11455.

It is an arithmetic number, because the mean of its divisors is an integer number (4143600).

Almost surely, 242135862 is an apocalyptic number.

42135862 is a deficient number, since it is larger than the sum of its proper divisors (24161738).

42135862 is a wasteful number, since it uses less digits than its factorization.

42135862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4827.

The product of its digits is 11520, while the sum is 31.

The square root of 42135862 is about 6491.2142161540. The cubic root of 42135862 is about 347.9770705375.

Adding to 42135862 its reverse (26853124), we get a palindrome (68988986).

The spelling of 42135862 in words is "forty-two million, one hundred thirty-five thousand, eight hundred sixty-two".

Divisors: 1 2 23 46 199 398 4577 4603 9154 9206 105869 211738 915997 1831994 21067931 42135862