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42692145 = 3519163919
BaseRepresentation
bin1010001011011…
…0111000110001
32222022222121120
42202312320301
541412122040
64123012453
71025606616
oct242667061
988288546
1042692145
112210a271
121236a129
138aca032
14595450d
153b347d0
hex28b6e31

42692145 has 32 divisors (see below), whose sum is σ = 72422400. Its totient is φ = 21415104.

The previous prime is 42692141. The next prime is 42692149. The reversal of 42692145 is 54129624.

42692145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42692141) and next prime (42692149).

It is not a de Polignac number, because 42692145 - 22 = 42692141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42692141) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 45996 + ... + 46914.

It is an arithmetic number, because the mean of its divisors is an integer number (2263200).

Almost surely, 242692145 is an apocalyptic number.

It is an amenable number.

42692145 is a deficient number, since it is larger than the sum of its proper divisors (29730255).

42692145 is a wasteful number, since it uses less digits than its factorization.

42692145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109.

The product of its digits is 17280, while the sum is 33.

The square root of 42692145 is about 6533.9226349873. The cubic root of 42692145 is about 349.5017263490.

The spelling of 42692145 in words is "forty-two million, six hundred ninety-two thousand, one hundred forty-five".

Divisors: 1 3 5 15 19 57 95 163 285 489 815 919 2445 2757 3097 4595 9291 13785 15485 17461 46455 52383 87305 149797 261915 449391 748985 2246955 2846143 8538429 14230715 42692145