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42892322 = 21124212
BaseRepresentation
bin1010001110011…
…1110000100010
32222201011012112
42203213300202
541440023242
64131155322
71030402334
oct243476042
988634175
1042892322
1122236700
1212445b42
138b6a195
1459a7454
153b73c82
hex28e7c22

42892322 has 18 divisors (see below), whose sum is σ = 70887537. Its totient is φ = 19450200.

The previous prime is 42892321. The next prime is 42892357. The reversal of 42892322 is 22329824.

It can be written as a sum of positive squares in 2 ways, for example, as 24393721 + 18498601 = 4939^2 + 4301^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=4631.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42892321) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 101672 + ... + 102092.

Almost surely, 242892322 is an apocalyptic number.

42892322 is a deficient number, since it is larger than the sum of its proper divisors (27995215).

42892322 is an equidigital number, since it uses as much as digits as its factorization.

42892322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866 (or 434 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 42892322 is about 6549.2230073498. The cubic root of 42892322 is about 350.0471283476.

Multiplying 42892322 by its sum of digits (32), we get a square (1372554304 = 370482).

The spelling of 42892322 in words is "forty-two million, eight hundred ninety-two thousand, three hundred twenty-two".

Divisors: 1 2 11 22 121 242 421 842 4631 9262 50941 101882 177241 354482 1949651 3899302 21446161 42892322