Search a number
-
+
52770215 = 531340453
BaseRepresentation
bin1100100101001…
…1010110100111
310200022000010102
43021103112213
5102002121330
65123014315
71210353011
oct311232647
9120260112
1052770215
1127873053
121580a39b
13ac182a4
1470191b1
154975945
hex32535a7

52770215 has 8 divisors (see below), whose sum is σ = 65367168. Its totient is φ = 40854240.

The previous prime is 52770203. The next prime is 52770217. The reversal of 52770215 is 51207725.

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

It is not a de Polignac number, because 52770215 - 24 = 52770199 is a prime.

It is a super-2 number, since 2×527702152 = 5569391182292450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52770217) 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, 170072 + ... + 170381.

It is an arithmetic number, because the mean of its divisors is an integer number (8170896).

Almost surely, 252770215 is an apocalyptic number.

52770215 is a deficient number, since it is larger than the sum of its proper divisors (12596953).

52770215 is a wasteful number, since it uses less digits than its factorization.

52770215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340489.

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 52770215 is about 7264.3110478558. The cubic root of 52770215 is about 375.0849348355.

The spelling of 52770215 in words is "fifty-two million, seven hundred seventy thousand, two hundred fifteen".

Divisors: 1 5 31 155 340453 1702265 10554043 52770215