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42494211 = 3231223683
BaseRepresentation
bin1010001000011…
…0100100000011
32221221221002200
42202012210003
541334303321
64114444243
71024123554
oct242064403
987857080
1042494211
1121a94591
1212293683
138a5ac06
14590232b
153ae5d26
hex2886903

42494211 has 24 divisors (see below), whose sum is σ = 63737856. Its totient is φ = 27252720.

The previous prime is 42494197. The next prime is 42494299. The reversal of 42494211 is 11249424.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-42494211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42494911) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61876 + ... + 62558.

It is an arithmetic number, because the mean of its divisors is an integer number (2655744).

Almost surely, 242494211 is an apocalyptic number.

42494211 is a deficient number, since it is larger than the sum of its proper divisors (21243645).

42494211 is a wasteful number, since it uses less digits than its factorization.

42494211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943 (or 940 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 42494211 is about 6518.7583940502. The cubic root of 42494211 is about 348.9607567197.

The spelling of 42494211 in words is "forty-two million, four hundred ninety-four thousand, two hundred eleven".

Divisors: 1 3 9 31 93 223 279 669 683 2007 2049 6147 6913 20739 21173 62217 63519 152309 190557 456927 1370781 4721579 14164737 42494211