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97331 = 137487
BaseRepresentation
bin10111110000110011
311221111212
4113300303
511103311
62030335
7553523
oct276063
9157455
1097331
1167143
12483ab
13353c0
1427683
151dc8b
hex17c33

97331 has 4 divisors (see below), whose sum is σ = 104832. Its totient is φ = 89832.

The previous prime is 97327. The next prime is 97367. The reversal of 97331 is 13379.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13379 = 17787.

It is a cyclic number.

It is not a de Polignac number, because 97331 - 22 = 97327 is a prime.

It is a super-2 number, since 2×973312 = 18946647122, which contains 22 as substring.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 97297 and 97306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3731 + ... + 3756.

It is an arithmetic number, because the mean of its divisors is an integer number (26208).

297331 is an apocalyptic number.

97331 is a deficient number, since it is larger than the sum of its proper divisors (7501).

97331 is a wasteful number, since it uses less digits than its factorization.

97331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7500.

The product of its digits is 567, while the sum is 23.

The square root of 97331 is about 311.9791659711. The cubic root of 97331 is about 45.9992123369. Note that the first 3 decimals are identical.

The spelling of 97331 in words is "ninety-seven thousand, three hundred thirty-one".

Divisors: 1 13 7487 97331