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5642253 = 32626917
BaseRepresentation
bin10101100001100000001101
3101121122201100
4111201200031
52421023003
6320533313
765646501
oct25414015
911548640
105642253
113204121
121a81239
131227216
14a6c301
15766ba3
hex56180d

5642253 has 6 divisors (see below), whose sum is σ = 8149934. Its totient is φ = 3761496.

The previous prime is 5642251. The next prime is 5642261. The reversal of 5642253 is 3522465.

It can be written as a sum of positive squares in only one way, i.e., 3337929 + 2304324 = 1827^2 + 1518^2 .

It is not a de Polignac number, because 5642253 - 21 = 5642251 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 57 + 67 + 410 + 213 + 221 + 59 + 311 .

It is a Duffinian number.

5642253 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5642251) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 313450 + ... + 313467.

Almost surely, 25642253 is an apocalyptic number.

It is an amenable number.

5642253 is a deficient number, since it is larger than the sum of its proper divisors (2507681).

5642253 is a wasteful number, since it uses less digits than its factorization.

5642253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626923 (or 626920 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 5642253 is about 2375.3427121155. The cubic root of 5642253 is about 178.0263080250.

The spelling of 5642253 in words is "five million, six hundred forty-two thousand, two hundred fifty-three".

Divisors: 1 3 9 626917 1880751 5642253