Search a number
-
+
131364668 = 2273449879
BaseRepresentation
bin1111101010001…
…11011100111100
3100011012000110002
413311013130330
5232112132133
621011333432
73153403241
oct765073474
9304160402
10131364668
1168174246
1237bb1278
13212a5996
14136375c8
15b7ecce8
hex7d4773c

131364668 has 12 divisors (see below), whose sum is σ = 233037840. Its totient is φ = 64782432.

The previous prime is 131364641. The next prime is 131364679. The reversal of 131364668 is 866463131.

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 3 ways as a sum of consecutive naturals, for example, 224648 + ... + 225231.

It is an arithmetic number, because the mean of its divisors is an integer number (19419820).

Almost surely, 2131364668 is an apocalyptic number.

It is an amenable number.

131364668 is a deficient number, since it is larger than the sum of its proper divisors (101673172).

131364668 is a wasteful number, since it uses less digits than its factorization.

131364668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449956 (or 449954 counting only the distinct ones).

The product of its digits is 62208, while the sum is 38.

The square root of 131364668 is about 11461.4426666105. The cubic root of 131364668 is about 508.3461329633.

The spelling of 131364668 in words is "one hundred thirty-one million, three hundred sixty-four thousand, six hundred sixty-eight".

Divisors: 1 2 4 73 146 292 449879 899758 1799516 32841167 65682334 131364668