Search a number
-
+
131252597 = 7171102963
BaseRepresentation
bin1111101001011…
…00000101110101
3100010222022201022
413310230011311
5232100040342
621005110525
73152425430
oct764540565
9303868638
10131252597
11680a8023
1237b58445
1321266978
1413608817
15b7c99d2
hex7d2c175

131252597 has 8 divisors (see below), whose sum is σ = 158826816. Its totient is φ = 105884352.

The previous prime is 131252593. The next prime is 131252609. The reversal of 131252597 is 795252131.

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

It is not a de Polignac number, because 131252597 - 22 = 131252593 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131252593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 551363 + ... + 551600.

It is an arithmetic number, because the mean of its divisors is an integer number (19853352).

Almost surely, 2131252597 is an apocalyptic number.

131252597 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

131252597 is a deficient number, since it is larger than the sum of its proper divisors (27574219).

131252597 is a wasteful number, since it uses less digits than its factorization.

131252597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102987.

The product of its digits is 18900, while the sum is 35.

The square root of 131252597 is about 11456.5525792011. The cubic root of 131252597 is about 508.2015302346.

The spelling of 131252597 in words is "one hundred thirty-one million, two hundred fifty-two thousand, five hundred ninety-seven".

Divisors: 1 7 17 119 1102963 7720741 18750371 131252597