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31374027 = 3317292357
BaseRepresentation
bin111011110101…
…1101011001011
32012000222002000
41313223223023
531012432102
63040242043
7530450316
oct167535313
965028060
1031374027
1116789853
12a610323
136666519
14424997d
152b4b01c
hex1debacb

31374027 has 32 divisors (see below), whose sum is σ = 50932800. Its totient is φ = 18998784.

The previous prime is 31374019. The next prime is 31374029. The reversal of 31374027 is 72047313.

It is not a de Polignac number, because 31374027 - 23 = 31374019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (31374029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12133 + ... + 14489.

It is an arithmetic number, because the mean of its divisors is an integer number (1591650).

Almost surely, 231374027 is an apocalyptic number.

31374027 is a deficient number, since it is larger than the sum of its proper divisors (19558773).

31374027 is a wasteful number, since it uses less digits than its factorization.

31374027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2412 (or 2406 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 31374027 is about 5601.2522706980. The cubic root of 31374027 is about 315.3964170129.

The spelling of 31374027 in words is "thirty-one million, three hundred seventy-four thousand, twenty-seven".

Divisors: 1 3 9 17 27 29 51 87 153 261 459 493 783 1479 2357 4437 7071 13311 21213 40069 63639 68353 120207 205059 360621 615177 1081863 1162001 1845531 3486003 10458009 31374027