Search a number
-
+
52251746449 = 723324545009
BaseRepresentation
bin110000101010011100…
…100110000010010001
311222212111212202001111
4300222130212002101
51324002421341244
640000520133321
73526563342130
oct605234460221
9158774782044
1052251746449
1120183826531
12a163007241
134c0941b686
1427597db917
15155c3d3e34
hexc2a726091

52251746449 has 8 divisors (see below), whose sum is σ = 62312641920. Its totient is φ = 42839941056.

The previous prime is 52251746447. The next prime is 52251746467. The reversal of 52251746449 is 94464715225.

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 52251746449 - 21 = 52251746447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52251746441) 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, 162272344 + ... + 162272665.

It is an arithmetic number, because the mean of its divisors is an integer number (7789080240).

Almost surely, 252251746449 is an apocalyptic number.

It is an amenable number.

52251746449 is a deficient number, since it is larger than the sum of its proper divisors (10060895471).

52251746449 is a wasteful number, since it uses less digits than its factorization.

52251746449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324545039.

The product of its digits is 2419200, while the sum is 49.

The spelling of 52251746449 in words is "fifty-two billion, two hundred fifty-one million, seven hundred forty-six thousand, four hundred forty-nine".

Divisors: 1 7 23 161 324545009 2271815063 7464535207 52251746449