Search a number
-
+
31934434 = 277331247
BaseRepresentation
bin111100111010…
…0011111100010
32020002102210211
41321310133202
531133400214
63100244334
7535303210
oct171643742
966072724
1031934434
11170318a4
12a8406aa
13680161c
144353cb0
152c0c0c4
hex1e747e2

31934434 has 16 divisors (see below), whose sum is σ = 55496448. Its totient is φ = 13498272.

The previous prime is 31934417. The next prime is 31934443. The reversal of 31934434 is 43443913.

It is a junction number, because it is equal to n+sod(n) for n = 31934396 and 31934405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14602 + ... + 16645.

It is an arithmetic number, because the mean of its divisors is an integer number (3468528).

Almost surely, 231934434 is an apocalyptic number.

31934434 is a deficient number, since it is larger than the sum of its proper divisors (23562014).

31934434 is a wasteful number, since it uses less digits than its factorization.

31934434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31329.

The product of its digits is 15552, while the sum is 31.

The square root of 31934434 is about 5651.0560075087. The cubic root of 31934434 is about 317.2632297633.

The spelling of 31934434 in words is "thirty-one million, nine hundred thirty-four thousand, four hundred thirty-four".

Divisors: 1 2 7 14 73 146 511 1022 31247 62494 218729 437458 2281031 4562062 15967217 31934434