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131520614 = 2584911243
BaseRepresentation
bin1111101011011…
…01100001100110
3100011110221100212
413311231201212
5232132124424
621014535422
73154623011
oct765554146
9304427325
10131520614
1168270425
1238067572
132132b964
1413678378
15b82e10e
hex7d6d866

131520614 has 8 divisors (see below), whose sum is σ = 197332200. Its totient is φ = 65743216.

The previous prime is 131520593. The next prime is 131520629. The reversal of 131520614 is 416025131.

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

It is a self number, because there is not a number n which added to its sum of digits gives 131520614.

It is a congruent number.

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, 6077 + ... + 17319.

It is an arithmetic number, because the mean of its divisors is an integer number (24666525).

Almost surely, 2131520614 is an apocalyptic number.

131520614 is a deficient number, since it is larger than the sum of its proper divisors (65811586).

131520614 is a wasteful number, since it uses less digits than its factorization.

131520614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17094.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 131520614 is about 11468.2437190705. The cubic root of 131520614 is about 508.5472098545.

Adding to 131520614 its reverse (416025131), we get a palindrome (547545745).

The spelling of 131520614 in words is "one hundred thirty-one million, five hundred twenty thousand, six hundred fourteen".

Divisors: 1 2 5849 11243 11698 22486 65760307 131520614