Search a number
-
+
54717949 = 1113382643
BaseRepresentation
bin1101000010111…
…0110111111101
310210221221220201
43100232313331
5103001433244
65232443501
71233044356
oct320566775
9123857821
1054717949
1128983450
12163a9591
13b44a9b0
1473a4d2d
154c0cad4
hex342edfd

54717949 has 8 divisors (see below), whose sum is σ = 64284192. Its totient is φ = 45917040.

The previous prime is 54717913. The next prime is 54717977. The reversal of 54717949 is 94971745.

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

It is not a de Polignac number, because 54717949 - 211 = 54715901 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54717899 and 54717908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54717979) 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, 191179 + ... + 191464.

It is an arithmetic number, because the mean of its divisors is an integer number (8035524).

Almost surely, 254717949 is an apocalyptic number.

It is an amenable number.

54717949 is a deficient number, since it is larger than the sum of its proper divisors (9566243).

54717949 is a wasteful number, since it uses less digits than its factorization.

54717949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382667.

The product of its digits is 317520, while the sum is 46.

The square root of 54717949 is about 7397.1581705409. The cubic root of 54717949 is about 379.6440549646.

It can be divided in two parts, 547 and 17949, that added together give a square (18496 = 1362).

The spelling of 54717949 in words is "fifty-four million, seven hundred seventeen thousand, nine hundred forty-nine".

Divisors: 1 11 13 143 382643 4209073 4974359 54717949