Search a number
-
+
54142002 = 2323007889
BaseRepresentation
bin1100111010001…
…0010000110010
310202212200212100
43032202100302
5102330021002
65212241230
71225125255
oct316422062
9122780770
1054142002
112861a762
1216170216
13b2a87b5
14729509c
154b4711c
hex33a2432

54142002 has 12 divisors (see below), whose sum is σ = 117307710. Its totient is φ = 18047328.

The previous prime is 54141961. The next prime is 54142003. The reversal of 54142002 is 20024145.

It can be written as a sum of positive squares in only one way, i.e., 52577001 + 1565001 = 7251^2 + 1251^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 3007889 = 54142002 / (5 + 4 + 1 + 4 + 2 + 0 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (54142003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1503927 + ... + 1503962.

Almost surely, 254142002 is an apocalyptic number.

54142002 is an abundant number, since it is smaller than the sum of its proper divisors (63165708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54142002 is a wasteful number, since it uses less digits than its factorization.

54142002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3007897 (or 3007894 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 54142002 is about 7358.1248970101. The cubic root of 54142002 is about 378.3073422128.

Adding to 54142002 its reverse (20024145), we get a palindrome (74166147).

The spelling of 54142002 in words is "fifty-four million, one hundred forty-two thousand, two".

Divisors: 1 2 3 6 9 18 3007889 6015778 9023667 18047334 27071001 54142002