Search a number
-
+
52251463 = 1119250007
BaseRepresentation
bin1100011101010…
…0101101000111
310122022122112101
43013110231013
5101334021323
65103532531
71203062425
oct307245507
9118278471
1052251463
1127549330
12155ba147
13aa96134
146d22115
1548c1dad
hex31d4b47

52251463 has 8 divisors (see below), whose sum is σ = 60001920. Its totient is φ = 45001080.

The previous prime is 52251457. The next prime is 52251473. The reversal of 52251463 is 36415225.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52251463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52251473) 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, 124795 + ... + 125212.

It is an arithmetic number, because the mean of its divisors is an integer number (7500240).

Almost surely, 252251463 is an apocalyptic number.

52251463 is a deficient number, since it is larger than the sum of its proper divisors (7750457).

52251463 is a wasteful number, since it uses less digits than its factorization.

52251463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250037.

The product of its digits is 7200, while the sum is 28.

The square root of 52251463 is about 7228.5173445182. The cubic root of 52251463 is about 373.8518077036.

Adding to 52251463 its reverse (36415225), we get a palindrome (88666688).

The spelling of 52251463 in words is "fifty-two million, two hundred fifty-one thousand, four hundred sixty-three".

Divisors: 1 11 19 209 250007 2750077 4750133 52251463