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52940057 = 175358757
BaseRepresentation
bin1100100111110…
…0110100011001
310200121122002212
43021330310121
5102023040212
65130404505
71211661122
oct311746431
9120548085
1052940057
1127979715
1215890735
13ac776a1
147061049
1549aae22
hex327cd19

52940057 has 8 divisors (see below), whose sum is σ = 57112776. Its totient is φ = 48884992.

The previous prime is 52940053. The next prime is 52940071. The reversal of 52940057 is 75004925.

It can be written as a sum of positive squares in 4 ways, for example, as 34527376 + 18412681 = 5876^2 + 4291^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52940057 - 22 = 52940053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52940053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28478 + ... + 30279.

It is an arithmetic number, because the mean of its divisors is an integer number (7139097).

Almost surely, 252940057 is an apocalyptic number.

It is an amenable number.

52940057 is a deficient number, since it is larger than the sum of its proper divisors (4172719).

52940057 is a wasteful number, since it uses less digits than its factorization.

52940057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58827.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 52940057 is about 7275.9918224253. The cubic root of 52940057 is about 375.4869100279.

The spelling of 52940057 in words is "fifty-two million, nine hundred forty thousand, fifty-seven".

Divisors: 1 17 53 901 58757 998869 3114121 52940057