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52574215 = 510514843
BaseRepresentation
bin1100100010001…
…1100000000111
310122221001021011
43020203200013
5101424333330
65114503051
71205605411
oct310434007
9118831234
1052574215
1127749871
1215734a87
13ab7a005
146da79b1
15493782a
hex3223807

52574215 has 4 divisors (see below), whose sum is σ = 63089064. Its totient is φ = 42059368.

The previous prime is 52574213. The next prime is 52574261. The reversal of 52574215 is 51247525.

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

It is a cyclic number.

It is not a de Polignac number, because 52574215 - 21 = 52574213 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52574213) 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, 5257417 + ... + 5257426.

It is an arithmetic number, because the mean of its divisors is an integer number (15772266).

Almost surely, 252574215 is an apocalyptic number.

52574215 is a deficient number, since it is larger than the sum of its proper divisors (10514849).

52574215 is a wasteful number, since it uses less digits than its factorization.

52574215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10514848.

The product of its digits is 14000, while the sum is 31.

The square root of 52574215 is about 7250.8078860221. The cubic root of 52574215 is about 374.6199764973.

The spelling of 52574215 in words is "fifty-two million, five hundred seventy-four thousand, two hundred fifteen".

Divisors: 1 5 10514843 52574215