Search a number
-
+
131738955 = 3561143977
BaseRepresentation
bin1111101101000…
…10110101001011
3100011220000212120
413312202311023
5232211121310
621023342323
73156522405
oct766426513
9304800776
10131738955
11683aa477
12381519a3
13213a715a
14136d3b75
15b873b70
hex7da2d4b

131738955 has 16 divisors (see below), whose sum is σ = 214239264. Its totient is φ = 69108480.

The previous prime is 131738947. The next prime is 131738969. The reversal of 131738955 is 559837131.

It is not a de Polignac number, because 131738955 - 23 = 131738947 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71074 + ... + 72903.

It is an arithmetic number, because the mean of its divisors is an integer number (13389954).

Almost surely, 2131738955 is an apocalyptic number.

131738955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131738955 is a deficient number, since it is larger than the sum of its proper divisors (82500309).

131738955 is a wasteful number, since it uses less digits than its factorization.

131738955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144046.

The product of its digits is 113400, while the sum is 42.

The square root of 131738955 is about 11477.7591454081. The cubic root of 131738955 is about 508.8284720195.

The spelling of 131738955 in words is "one hundred thirty-one million, seven hundred thirty-eight thousand, nine hundred fifty-five".

Divisors: 1 3 5 15 61 183 305 915 143977 431931 719885 2159655 8782597 26347791 43912985 131738955