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31422441 = 341255467
BaseRepresentation
bin111011111011…
…1011111101001
32012010102111010
41313313133221
531021004231
63041254133
7531041421
oct167673751
965112433
1031422441
1116812166
12a634349
13668257b
14425d481
152b5a546
hex1df77e9

31422441 has 8 divisors (see below), whose sum is σ = 42918624. Its totient is φ = 20437280.

The previous prime is 31422403. The next prime is 31422463. The reversal of 31422441 is 14422413.

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

It is a cyclic number.

It is not a de Polignac number, because 31422441 - 210 = 31421417 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31422401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127611 + ... + 127856.

It is an arithmetic number, because the mean of its divisors is an integer number (5364828).

Almost surely, 231422441 is an apocalyptic number.

It is an amenable number.

31422441 is a deficient number, since it is larger than the sum of its proper divisors (11496183).

31422441 is a wasteful number, since it uses less digits than its factorization.

31422441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255511.

The product of its digits is 768, while the sum is 21.

The square root of 31422441 is about 5605.5723169004. The cubic root of 31422441 is about 315.5585655162.

Adding to 31422441 its reverse (14422413), we get a palindrome (45844854).

The spelling of 31422441 in words is "thirty-one million, four hundred twenty-two thousand, four hundred forty-one".

Divisors: 1 3 41 123 255467 766401 10474147 31422441