Search a number
-
+
255379949 = 1133736883
BaseRepresentation
bin11110011100011…
…00100111101101
3122210112122102122
433032030213231
51010334124244
641201402325
76220456646
oct1716144755
9583478378
10255379949
11121178810
12716393a5
1340ba73c6
1425cba6cd
15176481ee
hexf38c9ed

255379949 has 8 divisors (see below), whose sum is σ = 278719392. Its totient is φ = 232061040.

The previous prime is 255379897. The next prime is 255379963. The reversal of 255379949 is 949973552.

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 255379949 - 224 = 238602733 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 255379949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255379349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33662 + ... + 40544.

It is an arithmetic number, because the mean of its divisors is an integer number (34839924).

Almost surely, 2255379949 is an apocalyptic number.

It is an amenable number.

255379949 is a deficient number, since it is larger than the sum of its proper divisors (23339443).

255379949 is a wasteful number, since it uses less digits than its factorization.

255379949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10267.

The product of its digits is 3061800, while the sum is 53.

The square root of 255379949 is about 15980.6116591325. The cubic root of 255379949 is about 634.4473659234.

The spelling of 255379949 in words is "two hundred fifty-five million, three hundred seventy-nine thousand, nine hundred forty-nine".

Divisors: 1 11 3373 6883 37103 75713 23216359 255379949