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31269096 = 2332434293
BaseRepresentation
bin111011101001…
…0000011101000
32011211122010200
41313102003220
531001102341
63034112200
7526532355
oct167220350
964748120
1031269096
1116717a31
12a57b660
13662a831
14421d62c
152b29db6
hex1dd20e8

31269096 has 24 divisors (see below), whose sum is σ = 84687330. Its totient is φ = 10423008.

The previous prime is 31269071. The next prime is 31269109. The reversal of 31269096 is 69096213.

It can be written as a sum of positive squares in only one way, i.e., 30404196 + 864900 = 5514^2 + 930^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 31269096.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 217075 + ... + 217218.

Almost surely, 231269096 is an apocalyptic number.

31269096 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

31269096 is an abundant number, since it is smaller than the sum of its proper divisors (53418234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31269096 is a wasteful number, since it uses less digits than its factorization.

31269096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434305 (or 434298 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 31269096 is about 5591.8776810656. The cubic root of 31269096 is about 315.0444079493.

The spelling of 31269096 in words is "thirty-one million, two hundred sixty-nine thousand, ninety-six".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 434293 868586 1302879 1737172 2605758 3474344 3908637 5211516 7817274 10423032 15634548 31269096