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157453 = 198287
BaseRepresentation
bin100110011100001101
321222222121
4212130031
520014303
63212541
71224022
oct463415
9258877
10157453
11a832a
1277151
135688a
1441549
15319bd
hex2670d

157453 has 4 divisors (see below), whose sum is σ = 165760. Its totient is φ = 149148.

The previous prime is 157433. The next prime is 157457. The reversal of 157453 is 354751.

157453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 157453 - 29 = 156941 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157457) 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, 4125 + ... + 4162.

It is an arithmetic number, because the mean of its divisors is an integer number (41440).

157453 is a Friedman number, since it can be written as 54^3-7-5+1, using all its digits and the basic arithmetic operations.

2157453 is an apocalyptic number.

It is an amenable number.

157453 is a deficient number, since it is larger than the sum of its proper divisors (8307).

157453 is an equidigital number, since it uses as much as digits as its factorization.

157453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8306.

The product of its digits is 2100, while the sum is 25.

The square root of 157453 is about 396.8034778073. The cubic root of 157453 is about 53.9987425404.

The spelling of 157453 in words is "one hundred fifty-seven thousand, four hundred fifty-three".

Divisors: 1 19 8287 157453