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2253553 = 3177109
BaseRepresentation
bin1000100110001011110001
311020111021221
420212023301
51034103203
6120145041
725104061
oct10461361
94214257
102253553
1112aa145
12908181
1360b983
144293a1
152e7abd
hex2262f1

2253553 has 4 divisors (see below), whose sum is σ = 2260980. Its totient is φ = 2246128.

The previous prime is 2253551. The next prime is 2253557. The reversal of 2253553 is 3553522.

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 214369 + 2039184 = 463^2 + 1428^2 .

It is a cyclic number.

It is not a de Polignac number, because 2253553 - 21 = 2253551 is a prime.

It is a super-2 number, since 2×22535532 = 10157002247618, which contains 22 as substring.

It is a d-powerful number, because it can be written as 27 + 221 + 5 + 32 + 57 + 57 + 32 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2253551) 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, 3238 + ... + 3871.

It is an arithmetic number, because the mean of its divisors is an integer number (565245).

22253553 is an apocalyptic number.

It is an amenable number.

2253553 is a deficient number, since it is larger than the sum of its proper divisors (7427).

2253553 is an equidigital number, since it uses as much as digits as its factorization.

2253553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7426.

The product of its digits is 4500, while the sum is 25.

The square root of 2253553 is about 1501.1838661536. The cubic root of 2253553 is about 131.1060074673.

The spelling of 2253553 in words is "two million, two hundred fifty-three thousand, five hundred fifty-three".

Divisors: 1 317 7109 2253553