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52192457 = 101516757
BaseRepresentation
bin1100011100011…
…0010011001001
310122012122120222
43013012103021
5101330124312
65102355425
71202425412
oct307062311
9118178528
1052192457
1127508a69
121558bb75
13aa75315
146d08809
1548ae672
hex31c64c9

52192457 has 4 divisors (see below), whose sum is σ = 52709316. Its totient is φ = 51675600.

The previous prime is 52192453. The next prime is 52192463. The reversal of 52192457 is 75429125.

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 49056016 + 3136441 = 7004^2 + 1771^2 .

It is a cyclic number.

It is not a de Polignac number, because 52192457 - 22 = 52192453 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52192453) 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, 258278 + ... + 258479.

It is an arithmetic number, because the mean of its divisors is an integer number (13177329).

Almost surely, 252192457 is an apocalyptic number.

It is an amenable number.

52192457 is a deficient number, since it is larger than the sum of its proper divisors (516859).

52192457 is a wasteful number, since it uses less digits than its factorization.

52192457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516858.

The product of its digits is 25200, while the sum is 35.

The square root of 52192457 is about 7224.4347183707. The cubic root of 52192457 is about 373.7110281770.

The spelling of 52192457 in words is "fifty-two million, one hundred ninety-two thousand, four hundred fifty-seven".

Divisors: 1 101 516757 52192457