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42044715 = 3257312799
BaseRepresentation
bin1010000001100…
…0110100101011
32221010002111200
42200120310223
541230412330
64101055243
71020242226
oct240306453
987102450
1042044715
11218078a9
12120b7523
13893143b
1458265bd
153a57a60
hex2818d2b

42044715 has 24 divisors (see below), whose sum is σ = 73881600. Its totient is φ = 22114944.

The previous prime is 42044707. The next prime is 42044731. The reversal of 42044715 is 51744024.

It is not a de Polignac number, because 42044715 - 23 = 42044707 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3115 + ... + 9684.

It is an arithmetic number, because the mean of its divisors is an integer number (3078400).

Almost surely, 242044715 is an apocalyptic number.

42044715 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42044715 is a deficient number, since it is larger than the sum of its proper divisors (31836885).

42044715 is a wasteful number, since it uses less digits than its factorization.

42044715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12883 (or 12880 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 42044715 is about 6484.1896178320. The cubic root of 42044715 is about 347.7259783019.

Adding to 42044715 its reverse (51744024), we get a palindrome (93788739).

The spelling of 42044715 in words is "forty-two million, forty-four thousand, seven hundred fifteen".

Divisors: 1 3 5 9 15 45 73 219 365 657 1095 3285 12799 38397 63995 115191 191985 575955 934327 2802981 4671635 8408943 14014905 42044715