Search a number
-
+
54817089 = 326967927
BaseRepresentation
bin1101000100011…
…1000101000001
310211010222220120
43101013011001
5103013121324
65234530453
71233636405
oct321070501
9124128816
1054817089
1128a40988
1216436a29
13b483b62
1473cd105
154c2c179
hex3447141

54817089 has 8 divisors (see below), whose sum is σ = 73362240. Its totient is φ = 36408336.

The previous prime is 54817069. The next prime is 54817093. The reversal of 54817089 is 98071845.

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

It is not a de Polignac number, because 54817089 - 27 = 54816961 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54817089.

It is not an unprimeable number, because it can be changed into a prime (54817019) 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, 33157 + ... + 34770.

It is an arithmetic number, because the mean of its divisors is an integer number (9170280).

Almost surely, 254817089 is an apocalyptic number.

It is an amenable number.

54817089 is a deficient number, since it is larger than the sum of its proper divisors (18545151).

54817089 is a wasteful number, since it uses less digits than its factorization.

54817089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68199.

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 54817089 is about 7403.8563600329. The cubic root of 54817089 is about 379.8732009998.

The spelling of 54817089 in words is "fifty-four million, eight hundred seventeen thousand, eighty-nine".

Divisors: 1 3 269 807 67927 203781 18272363 54817089