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131114648 = 2372341333
BaseRepresentation
bin1111101000010…
…10011010011000
3100010201022111002
413310022122120
5232031132043
621002124132
73151312310
oct764123230
9303638432
10131114648
1168013415
1237ab0648
1321218c42
14135b0440
15b79dbb8
hex7d0a698

131114648 has 16 divisors (see below), whose sum is σ = 280960080. Its totient is φ = 56191968.

The previous prime is 131114647. The next prime is 131114653. The reversal of 131114648 is 846411131.

It is a self number, because there is not a number n which added to its sum of digits gives 131114648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131114647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1170611 + ... + 1170722.

It is an arithmetic number, because the mean of its divisors is an integer number (17560005).

Almost surely, 2131114648 is an apocalyptic number.

It is an amenable number.

131114648 is an abundant number, since it is smaller than the sum of its proper divisors (149845432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131114648 is a wasteful number, since it uses less digits than its factorization.

131114648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2341346 (or 2341342 counting only the distinct ones).

The product of its digits is 2304, while the sum is 29.

The square root of 131114648 is about 11450.5304680613. The cubic root of 131114648 is about 508.0234246334.

Adding to 131114648 its reverse (846411131), we get a palindrome (977525779).

The spelling of 131114648 in words is "one hundred thirty-one million, one hundred fourteen thousand, six hundred forty-eight".

Divisors: 1 2 4 7 8 14 28 56 2341333 4682666 9365332 16389331 18730664 32778662 65557324 131114648