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96231389 = 373257993
BaseRepresentation
bin1011011110001…
…01111111011101
320201002001122112
411233011333131
5144113401024
613314323405
72245644662
oct557057735
9221061575
1096231389
114a358081
1228289565
1316c24367
14cacda69
1586ad00e
hex5bc5fdd

96231389 has 4 divisors (see below), whose sum is σ = 96489756. Its totient is φ = 95973024.

The previous prime is 96231353. The next prime is 96231391. The reversal of 96231389 is 98313269.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98313269 = 273135999.

It can be written as a sum of positive squares in 2 ways, for example, as 22992025 + 73239364 = 4795^2 + 8558^2 .

It is a cyclic number.

It is not a de Polignac number, because 96231389 - 28 = 96231133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (96231589) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 128624 + ... + 129369.

It is an arithmetic number, because the mean of its divisors is an integer number (24122439).

Almost surely, 296231389 is an apocalyptic number.

It is an amenable number.

96231389 is a deficient number, since it is larger than the sum of its proper divisors (258367).

96231389 is a wasteful number, since it uses less digits than its factorization.

96231389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258366.

The product of its digits is 69984, while the sum is 41.

The square root of 96231389 is about 9809.7598849309. The cubic root of 96231389 is about 458.2532827982.

The spelling of 96231389 in words is "ninety-six million, two hundred thirty-one thousand, three hundred eighty-nine".

Divisors: 1 373 257993 96231389