Search a number
-
+
31054754 = 2109142453
BaseRepresentation
bin111011001110…
…1101110100010
32011102202010002
41312131232202
530422223004
63025340002
7524650433
oct166355642
964382102
1031054754
1116590995
12a497602
1365840c3
1441a548a
152ad661e
hex1d9dba2

31054754 has 8 divisors (see below), whose sum is σ = 47009820. Its totient is φ = 15384816.

The previous prime is 31054741. The next prime is 31054787. The reversal of 31054754 is 45745013.

It can be written as a sum of positive squares in 2 ways, for example, as 25270729 + 5784025 = 5027^2 + 2405^2 .

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

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, 71009 + ... + 71444.

Almost surely, 231054754 is an apocalyptic number.

31054754 is a deficient number, since it is larger than the sum of its proper divisors (15955066).

31054754 is a wasteful number, since it uses less digits than its factorization.

31054754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142564.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 31054754 is about 5572.6792479022. The cubic root of 31054754 is about 314.3229060866.

Adding to 31054754 its reverse (45745013), we get a palindrome (76799767).

The spelling of 31054754 in words is "thirty-one million, fifty-four thousand, seven hundred fifty-four".

Divisors: 1 2 109 218 142453 284906 15527377 31054754