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1057253 = 2936457
BaseRepresentation
bin100000010000111100101
31222201021112
410002013211
5232313003
634354405
711662241
oct4020745
91881245
101057253
1166236a
1242ba05
132b02c2
141d7421
1515d3d8
hex1021e5

1057253 has 4 divisors (see below), whose sum is σ = 1093740. Its totient is φ = 1020768.

The previous prime is 1057249. The next prime is 1057271. The reversal of 1057253 is 3527501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 669124 + 388129 = 818^2 + 623^2 .

It is a cyclic number.

It is not a de Polignac number, because 1057253 - 22 = 1057249 is a prime.

It is a super-2 number, since 2×10572532 = 2235567812018, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057223) 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, 18200 + ... + 18257.

It is an arithmetic number, because the mean of its divisors is an integer number (273435).

21057253 is an apocalyptic number.

It is an amenable number.

1057253 is a deficient number, since it is larger than the sum of its proper divisors (36487).

1057253 is an equidigital number, since it uses as much as digits as its factorization.

1057253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36486.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 1057253 is about 1028.2280875370. The cubic root of 1057253 is about 101.8731281727.

The spelling of 1057253 in words is "one million, fifty-seven thousand, two hundred fifty-three".

Divisors: 1 29 36457 1057253