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31342088 = 233917761
BaseRepresentation
bin111011110001…
…1111000001000
32011222100021002
41313203320020
531010421323
63035434132
7530255231
oct167437010
964870232
1031342088
1116767858
12a5b5948
136654b1b
14423c088
152b41828
hex1de3e08

31342088 has 8 divisors (see below), whose sum is σ = 58766430. Its totient is φ = 15671040.

The previous prime is 31342057. The next prime is 31342093. The reversal of 31342088 is 88024313.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 23059204 + 8282884 = 4802^2 + 2878^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 31342088.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1958873 + ... + 1958888.

Almost surely, 231342088 is an apocalyptic number.

It is an amenable number.

31342088 is a deficient number, since it is larger than the sum of its proper divisors (27424342).

31342088 is a wasteful number, since it uses less digits than its factorization.

31342088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3917767 (or 3917763 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 31342088 is about 5598.4004858531. The cubic root of 31342088 is about 315.2893553513.

The spelling of 31342088 in words is "thirty-one million, three hundred forty-two thousand, eighty-eight".

Divisors: 1 2 4 8 3917761 7835522 15671044 31342088