Search a number
-
+
299949253 = 476381899
BaseRepresentation
bin10001111000001…
…101110011000101
3202220102000000121
4101320031303011
51103241334003
645432541541
710301345422
oct2170156305
9686360017
10299949253
1114434a34a
12845518b1
134a1b0986
142bb9cd49
151b4edcbd
hex11e0dcc5

299949253 has 4 divisors (see below), whose sum is σ = 306331200. Its totient is φ = 293567308.

The previous prime is 299949217. The next prime is 299949263. The reversal of 299949253 is 352949992.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 299949253 - 221 = 297852101 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 299949253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (299949263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3190903 + ... + 3190996.

It is an arithmetic number, because the mean of its divisors is an integer number (76582800).

Almost surely, 2299949253 is an apocalyptic number.

It is an amenable number.

299949253 is a deficient number, since it is larger than the sum of its proper divisors (6381947).

299949253 is an equidigital number, since it uses as much as digits as its factorization.

299949253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6381946.

The product of its digits is 1574640, while the sum is 52.

The square root of 299949253 is about 17319.0430740269. The cubic root of 299949253 is about 669.3952016048.

The spelling of 299949253 in words is "two hundred ninety-nine million, nine hundred forty-nine thousand, two hundred fifty-three".

Divisors: 1 47 6381899 299949253