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31245034 = 241381037
BaseRepresentation
bin111011100110…
…0001011101010
32011210102010111
41313030023222
530444320114
63033404534
7526402252
oct167141352
964712114
1031245034
1116700947
12a56974a
13661c8b2
144214962
152b22bc4
hex1dcc2ea

31245034 has 8 divisors (see below), whose sum is σ = 48010788. Its totient is φ = 15241440.

The previous prime is 31245023. The next prime is 31245059. The reversal of 31245034 is 43054213.

It can be written as a sum of positive squares in 2 ways, for example, as 29430625 + 1814409 = 5425^2 + 1347^2 .

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

It is a super-2 number, since 2×312450342 = 1952504299322312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31244996 and 31245014.

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, 190437 + ... + 190600.

Almost surely, 231245034 is an apocalyptic number.

31245034 is a deficient number, since it is larger than the sum of its proper divisors (16765754).

31245034 is a wasteful number, since it uses less digits than its factorization.

31245034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381080.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 31245034 is about 5589.7257535589. The cubic root of 31245034 is about 314.9635768753.

Adding to 31245034 its reverse (43054213), we get a palindrome (74299247).

The spelling of 31245034 in words is "thirty-one million, two hundred forty-five thousand, thirty-four".

Divisors: 1 2 41 82 381037 762074 15622517 31245034