Search a number
-
+
131242634 = 2587111791
BaseRepresentation
bin1111101001010…
…01101010001010
3100010221211001022
413310221222022
5232044231014
621004552442
73152354405
oct764515212
9303854038
10131242634
11680a0596
1237b52722
1321262283
1413604d3c
15b7c6a8e
hex7d29a8a

131242634 has 8 divisors (see below), whose sum is σ = 197201088. Its totient is φ = 65508940.

The previous prime is 131242613. The next prime is 131242651. The reversal of 131242634 is 436242131.

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, 54722 + ... + 57069.

It is an arithmetic number, because the mean of its divisors is an integer number (24650136).

Almost surely, 2131242634 is an apocalyptic number.

131242634 is a deficient number, since it is larger than the sum of its proper divisors (65958454).

131242634 is a wasteful number, since it uses less digits than its factorization.

131242634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112380.

The product of its digits is 3456, while the sum is 26.

The square root of 131242634 is about 11456.1177542831. The cubic root of 131242634 is about 508.1886712130.

Adding to 131242634 its reverse (436242131), we get a palindrome (567484765).

The spelling of 131242634 in words is "one hundred thirty-one million, two hundred forty-two thousand, six hundred thirty-four".

Divisors: 1 2 587 1174 111791 223582 65621317 131242634