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52858345 = 510571669
BaseRepresentation
bin1100100110100…
…0110111101001
310200110111000111
43021220313221
5102012431340
65124534321
71211200651
oct311506751
9120414014
1052858345
1127923291
12158513a1
13ac49437
14703d361
154991aea
hex3268de9

52858345 has 4 divisors (see below), whose sum is σ = 63430020. Its totient is φ = 42286672.

The previous prime is 52858343. The next prime is 52858357. The reversal of 52858345 is 54385825.

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 38204761 + 14653584 = 6181^2 + 3828^2 .

It is a cyclic number.

It is not a de Polignac number, because 52858345 - 21 = 52858343 is a prime.

It is a super-2 number, since 2×528583452 = 5588009272278050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 52858298 and 52858307.

It is not an unprimeable number, because it can be changed into a prime (52858343) 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, 5285830 + ... + 5285839.

It is an arithmetic number, because the mean of its divisors is an integer number (15857505).

Almost surely, 252858345 is an apocalyptic number.

It is an amenable number.

52858345 is a deficient number, since it is larger than the sum of its proper divisors (10571675).

52858345 is a wasteful number, since it uses less digits than its factorization.

52858345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10571674.

The product of its digits is 192000, while the sum is 40.

The square root of 52858345 is about 7270.3744745371. The cubic root of 52858345 is about 375.2936248467.

The spelling of 52858345 in words is "fifty-two million, eight hundred fifty-eight thousand, three hundred forty-five".

Divisors: 1 5 10571669 52858345