Search a number
-
+
53220382 = 261942989
BaseRepresentation
bin1100101100000…
…1010000011110
310201010212122021
43023001100132
5102111023012
65140410354
71214236315
oct313012036
9121125567
1053220382
1128050296
12159a69ba
13b045167
1470d527c
154a14007
hex32c141e

53220382 has 8 divisors (see below), whose sum is σ = 79961400. Its totient is φ = 26566584.

The previous prime is 53220379. The next prime is 53220407. The reversal of 53220382 is 28302235.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20257 + ... + 22732.

It is an arithmetic number, because the mean of its divisors is an integer number (9995175).

Almost surely, 253220382 is an apocalyptic number.

53220382 is a deficient number, since it is larger than the sum of its proper divisors (26741018).

53220382 is a wasteful number, since it uses less digits than its factorization.

53220382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43610.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 53220382 is about 7295.2300854737. The cubic root of 53220382 is about 376.1484955562.

The spelling of 53220382 in words is "fifty-three million, two hundred twenty thousand, three hundred eighty-two".

Divisors: 1 2 619 1238 42989 85978 26610191 53220382