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42531295 = 517947521
BaseRepresentation
bin1010001000111…
…1100111011111
32222000210222011
42202033213133
541342000140
64115332051
71024336642
oct242174737
988023864
1042531295
112200a434
12122b1027
138a71a61
145911a59
153b01cea
hex288f9df

42531295 has 8 divisors (see below), whose sum is σ = 51323760. Its totient is φ = 33834240.

The previous prime is 42531289. The next prime is 42531311. The reversal of 42531295 is 59213524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42531295 - 211 = 42529247 is a prime.

It is a super-2 number, since 2×425312952 = 3617822108754050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22866 + ... + 24655.

It is an arithmetic number, because the mean of its divisors is an integer number (6415470).

Almost surely, 242531295 is an apocalyptic number.

42531295 is a deficient number, since it is larger than the sum of its proper divisors (8792465).

42531295 is a wasteful number, since it uses less digits than its factorization.

42531295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47705.

The product of its digits is 10800, while the sum is 31.

The square root of 42531295 is about 6521.6021804462. The cubic root of 42531295 is about 349.0622379787.

The spelling of 42531295 in words is "forty-two million, five hundred thirty-one thousand, two hundred ninety-five".

Divisors: 1 5 179 895 47521 237605 8506259 42531295