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107497 = 138269
BaseRepresentation
bin11010001111101001
312110110101
4122033221
511414442
62145401
7625255
oct321751
9173411
10107497
1173845
1252261
1339c10
142b265
1521cb7
hex1a3e9

107497 has 4 divisors (see below), whose sum is σ = 115780. Its totient is φ = 99216.

The previous prime is 107473. The next prime is 107507. The reversal of 107497 is 794701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 794701 = 6531217.

It can be written as a sum of positive squares in 2 ways, for example, as 59536 + 47961 = 244^2 + 219^2 .

It is not a de Polignac number, because 107497 - 211 = 105449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107467) 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, 4122 + ... + 4147.

It is an arithmetic number, because the mean of its divisors is an integer number (28945).

2107497 is an apocalyptic number.

It is an amenable number.

107497 is a deficient number, since it is larger than the sum of its proper divisors (8283).

107497 is an equidigital number, since it uses as much as digits as its factorization.

107497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8282.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 107497 is about 327.8673512261. The cubic root of 107497 is about 47.5479847502.

The spelling of 107497 in words is "one hundred seven thousand, four hundred ninety-seven".

Divisors: 1 13 8269 107497