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52002245 = 510400449
BaseRepresentation
bin1100011001011…
…1110111000101
310121211222200002
43012113313011
5101303032440
65054331045
71201004021
oct306276705
9117758602
1052002245
1127399069
12154b9a85
13aa09879
146c99381
154873115
hex3197dc5

52002245 has 4 divisors (see below), whose sum is σ = 62402700. Its totient is φ = 41601792.

The previous prime is 52002217. The next prime is 52002277. The reversal of 52002245 is 54220025.

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 36893476 + 15108769 = 6074^2 + 3887^2 .

It is a cyclic number.

It is not a de Polignac number, because 52002245 - 210 = 52001221 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5200220 + ... + 5200229.

It is an arithmetic number, because the mean of its divisors is an integer number (15600675).

Almost surely, 252002245 is an apocalyptic number.

It is an amenable number.

52002245 is a deficient number, since it is larger than the sum of its proper divisors (10400455).

52002245 is a wasteful number, since it uses less digits than its factorization.

52002245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10400454.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 52002245 is about 7211.2582119905. The cubic root of 52002245 is about 373.2564870708.

The spelling of 52002245 in words is "fifty-two million, two thousand, two hundred forty-five".

Divisors: 1 5 10400449 52002245