Search a number
-
+
54254987 = 375373379
BaseRepresentation
bin1100111011110…
…1110110001011
310210002102211222
43032331312023
5102342124422
65214512255
71226105543
oct316756613
9123072758
1054254987
1128697636
121620568b
13b318057
1472c4323
154b6a842
hex33bdd8b

54254987 has 16 divisors (see below), whose sum is σ = 57702240. Its totient is φ = 50948352.

The previous prime is 54254983. The next prime is 54255001. The reversal of 54254987 is 78945245.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 54254987 - 22 = 54254983 is a prime.

It is a super-2 number, since 2×542549872 = 5887207228740338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54254983) 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 15 ways as a sum of consecutive naturals, for example, 142964 + ... + 143342.

It is an arithmetic number, because the mean of its divisors is an integer number (3606390).

Almost surely, 254254987 is an apocalyptic number.

54254987 is a deficient number, since it is larger than the sum of its proper divisors (3447253).

54254987 is a wasteful number, since it uses less digits than its factorization.

54254987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542.

The product of its digits is 403200, while the sum is 44.

The square root of 54254987 is about 7365.7984631675. The cubic root of 54254987 is about 378.5703133840.

The spelling of 54254987 in words is "fifty-four million, two hundred fifty-four thousand, nine hundred eighty-seven".

Divisors: 1 37 53 73 379 1961 2701 3869 14023 20087 27667 143153 743219 1023679 1466351 54254987