[go: up one dir, main page]

Search a number
-
+
131444054 = 2737475399
BaseRepresentation
bin1111101010110…
…10110101010110
3100011100001100022
413311122311112
5232122202204
621013145142
73154153550
oct765326526
9304301308
10131444054
1168218955
123802b1b2
1321302b61
14136584d0
15b8165be
hex7d5ad56

131444054 has 32 divisors (see below), whose sum is σ = 236390400. Its totient is φ = 53634528.

The previous prime is 131444041. The next prime is 131444069. The reversal of 131444054 is 450444131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21647 + ... + 27045.

It is an arithmetic number, because the mean of its divisors is an integer number (7387200).

Almost surely, 2131444054 is an apocalyptic number.

131444054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

131444054 is a deficient number, since it is larger than the sum of its proper divisors (104946346).

131444054 is a wasteful number, since it uses less digits than its factorization.

131444054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5492.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 131444054 is about 11464.9053201498. The cubic root of 131444054 is about 508.4485132056.

Adding to 131444054 its reverse (450444131), we get a palindrome (581888185).

The spelling of 131444054 in words is "one hundred thirty-one million, four hundred forty-four thousand, fifty-four".

Divisors: 1 2 7 14 37 47 74 94 259 329 518 658 1739 3478 5399 10798 12173 24346 37793 75586 199763 253753 399526 507506 1398341 1776271 2796682 3552542 9388861 18777722 65722027 131444054