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2152453 = 19113287
BaseRepresentation
bin1000001101100000000101
311001100121111
420031200011
51022334303
6114045021
724203242
oct10154005
94040544
102152453
111240196
12879771
135a4954
144005c9
152c7b6d
hex20d805

2152453 has 4 divisors (see below), whose sum is σ = 2265760. Its totient is φ = 2039148.

The previous prime is 2152433. The next prime is 2152457. The reversal of 2152453 is 3542512.

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 2152453 - 217 = 2021381 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 (2152457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56625 + ... + 56662.

It is an arithmetic number, because the mean of its divisors is an integer number (566440).

22152453 is an apocalyptic number.

It is an amenable number.

2152453 is a deficient number, since it is larger than the sum of its proper divisors (113307).

2152453 is a wasteful number, since it uses less digits than its factorization.

2152453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113306.

The product of its digits is 1200, while the sum is 22.

The square root of 2152453 is about 1467.1240574675. The cubic root of 2152453 is about 129.1153546216.

Adding to 2152453 its reverse (3542512), we get a palindrome (5694965).

The spelling of 2152453 in words is "two million, one hundred fifty-two thousand, four hundred fifty-three".

Divisors: 1 19 113287 2152453