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31052434 = 273316701
BaseRepresentation
bin111011001110…
…1001010010010
32011102121221011
41312131022102
530422134214
63025321134
7524640610
oct166351222
964377834
1031052434
111658a176
12a4961aa
13658302a
1441a46b0
152ad5ac4
hex1d9d292

31052434 has 16 divisors (see below), whose sum is σ = 53401536. Its totient is φ = 13266000.

The previous prime is 31052431. The next prime is 31052453. The reversal of 31052434 is 43425013.

It is not an unprimeable number, because it can be changed into a prime (31052431) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 1284 + ... + 7984.

It is an arithmetic number, because the mean of its divisors is an integer number (3337596).

Almost surely, 231052434 is an apocalyptic number.

31052434 is a deficient number, since it is larger than the sum of its proper divisors (22349102).

31052434 is a wasteful number, since it uses less digits than its factorization.

31052434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7041.

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

The square root of 31052434 is about 5572.4710856136. The cubic root of 31052434 is about 314.3150785433.

Adding to 31052434 its reverse (43425013), we get a palindrome (74477447).

The spelling of 31052434 in words is "thirty-one million, fifty-two thousand, four hundred thirty-four".

Divisors: 1 2 7 14 331 662 2317 4634 6701 13402 46907 93814 2218031 4436062 15526217 31052434