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31140034 = 2148310499
BaseRepresentation
bin111011011001…
…0100011000010
32011121002002121
41312302203002
530432440114
63031234454
7525454162
oct166624302
964532077
1031140034
1116639a72
12a518a2a
1365b3b73
1441c85a2
152b01a24
hex1db28c2

31140034 has 8 divisors (see below), whose sum is σ = 46746000. Its totient is φ = 15558036.

The previous prime is 31140029. The next prime is 31140047. The reversal of 31140034 is 43004113.

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

It is a super-3 number, since 3×311400343 (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2284 + ... + 8215.

It is an arithmetic number, because the mean of its divisors is an integer number (5843250).

Almost surely, 231140034 is an apocalyptic number.

31140034 is a deficient number, since it is larger than the sum of its proper divisors (15605966).

31140034 is a wasteful number, since it uses less digits than its factorization.

31140034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11984.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 31140034 is about 5580.3256177395. The cubic root of 31140034 is about 314.6103656472.

Adding to 31140034 its reverse (43004113), we get a palindrome (74144147).

The spelling of 31140034 in words is "thirty-one million, one hundred forty thousand, thirty-four".

Divisors: 1 2 1483 2966 10499 20998 15570017 31140034