Search a number
-
+
31169042 = 231150111
BaseRepresentation
bin111011011100…
…1101000010010
32011122112212222
41312321220102
530434402132
63032021042
7525634562
oct166715022
964575788
1031169042
1116659843
12a531782
1365c4128
1441d4da2
152b0a412
hex1db9a12

31169042 has 8 divisors (see below), whose sum is σ = 46904832. Its totient is φ = 15534100.

The previous prime is 31169027. The next prime is 31169057. The reversal of 31169042 is 24096113.

It is an interprime number because it is at equal distance from previous prime (31169027) and next prime (31169057).

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 24434 + ... + 25677.

It is an arithmetic number, because the mean of its divisors is an integer number (5863104).

Almost surely, 231169042 is an apocalyptic number.

31169042 is a deficient number, since it is larger than the sum of its proper divisors (15735790).

31169042 is a wasteful number, since it uses less digits than its factorization.

31169042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50424.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 31169042 is about 5582.9241442097. The cubic root of 31169042 is about 314.7080254117.

The spelling of 31169042 in words is "thirty-one million, one hundred sixty-nine thousand, forty-two".

Divisors: 1 2 311 622 50111 100222 15584521 31169042