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42902022 = 2330723291
BaseRepresentation
bin1010001110101…
…0001000000110
32222201122111210
42203222020012
541440331042
64131312250
71030442532
oct243521006
988648453
1042902022
1122242a19
121244b686
138b71717
1459aabc2
153b76a9c
hex28ea206

42902022 has 16 divisors (see below), whose sum is σ = 86087232. Its totient is φ = 14253480.

The previous prime is 42902021. The next prime is 42902051. The reversal of 42902022 is 22020924.

It is a self number, because there is not a number n which added to its sum of digits gives 42902022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42902021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9804 + ... + 13487.

It is an arithmetic number, because the mean of its divisors is an integer number (5380452).

Almost surely, 242902022 is an apocalyptic number.

42902022 is an abundant number, since it is smaller than the sum of its proper divisors (43185210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42902022 is a wasteful number, since it uses less digits than its factorization.

42902022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23603.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 42902022 is about 6549.9635113487. The cubic root of 42902022 is about 350.0735138098.

Adding to 42902022 its reverse (22020924), we get a palindrome (64922946).

The spelling of 42902022 in words is "forty-two million, nine hundred two thousand, twenty-two".

Divisors: 1 2 3 6 307 614 921 1842 23291 46582 69873 139746 7150337 14300674 21451011 42902022