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131528314 = 2439715767
BaseRepresentation
bin1111101011011…
…11011001111010
3100011111022221001
413311233121322
5232132401224
621015035214
73154654321
oct765573172
9304438831
10131528314
1168276195
123806bb0a
1321332308
141367b0b8
15b831544
hex7d6f67a

131528314 has 16 divisors (see below), whose sum is σ = 203974848. Its totient is φ = 63568512.

The previous prime is 131528273. The next prime is 131528321. The reversal of 131528314 is 413825131.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459 + ... + 16225.

It is an arithmetic number, because the mean of its divisors is an integer number (12748428).

Almost surely, 2131528314 is an apocalyptic number.

131528314 is a deficient number, since it is larger than the sum of its proper divisors (72446534).

131528314 is a wasteful number, since it uses less digits than its factorization.

131528314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15909.

The product of its digits is 2880, while the sum is 28.

The square root of 131528314 is about 11468.5794237996. The cubic root of 131528314 is about 508.5571341216.

The spelling of 131528314 in words is "one hundred thirty-one million, five hundred twenty-eight thousand, three hundred fourteen".

Divisors: 1 2 43 86 97 194 4171 8342 15767 31534 677981 1355962 1529399 3058798 65764157 131528314