Search a number
-
+
2253218939 = 44310135021
BaseRepresentation
bin1000011001001101…
…0110010001111011
312211000211101022022
42012103112101323
514103311001224
61011330145055
7106560021266
oct20623262173
95730741268
102253218939
11a56979814
1252a72218b
1329ba75c5a
14175371cdd
15d2c3065e
hex864d647b

2253218939 has 8 divisors (see below), whose sum is σ = 2260984752. Its totient is φ = 2245466080.

The previous prime is 2253218921. The next prime is 2253218959. The reversal of 2253218939 is 9398123522.

2253218939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2253218939 - 216 = 2253153403 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2253218939.

It is not an unprimeable number, because it can be changed into a prime (2253218959) 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, 446249 + ... + 451269.

It is an arithmetic number, because the mean of its divisors is an integer number (282623094).

Almost surely, 22253218939 is an apocalyptic number.

2253218939 is a deficient number, since it is larger than the sum of its proper divisors (7765813).

2253218939 is a wasteful number, since it uses less digits than its factorization.

2253218939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6477.

The product of its digits is 233280, while the sum is 44.

The square root of 2253218939 is about 47468.0833718826. The cubic root of 2253218939 is about 1310.9952887278.

The spelling of 2253218939 in words is "two billion, two hundred fifty-three million, two hundred eighteen thousand, nine hundred thirty-nine".

Divisors: 1 443 1013 5021 448759 2224303 5086273 2253218939