Search a number
-
+
131355022 = 2177874909
BaseRepresentation
bin1111101010001…
…01000110001110
3100011011112012211
413311011012032
5232111330042
621011221034
73153333151
oct765050616
9304145184
10131355022
1168167a77
1237ba777a
13212a1486
1413633c98
15b7ea017
hex7d4518e

131355022 has 16 divisors (see below), whose sum is σ = 208930320. Its totient is φ = 61723008.

The previous prime is 131354987. The next prime is 131355023. The reversal of 131355022 is 220553131.

It is a junction number, because it is equal to n+sod(n) for n = 131354984 and 131355002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131355023) 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, 24304 + ... + 29212.

It is an arithmetic number, because the mean of its divisors is an integer number (13058145).

Almost surely, 2131355022 is an apocalyptic number.

131355022 is a deficient number, since it is larger than the sum of its proper divisors (77575298).

131355022 is a wasteful number, since it uses less digits than its factorization.

131355022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5715.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 131355022 is about 11461.0218567107. The cubic root of 131355022 is about 508.3336901786. Note that the first 3 decimals are identical.

The spelling of 131355022 in words is "one hundred thirty-one million, three hundred fifty-five thousand, twenty-two".

Divisors: 1 2 17 34 787 1574 4909 9818 13379 26758 83453 166906 3863383 7726766 65677511 131355022