Search a number
-
+
54420351 = 319954743
BaseRepresentation
bin1100111110011…
…0001101111111
310210101211200120
43033212031333
5102412422401
65222230023
71230364626
oct317461577
9123354616
1054420351
112879a8a7
1216285313
13b3753bb
1473286bd
154b9e836
hex33e637f

54420351 has 8 divisors (see below), whose sum is σ = 76379520. Its totient is φ = 34370712.

The previous prime is 54420337. The next prime is 54420397. The reversal of 54420351 is 15302445.

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

It is not a de Polignac number, because 54420351 - 25 = 54420319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54422351) 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, 477315 + ... + 477428.

It is an arithmetic number, because the mean of its divisors is an integer number (9547440).

Almost surely, 254420351 is an apocalyptic number.

54420351 is a deficient number, since it is larger than the sum of its proper divisors (21959169).

54420351 is a wasteful number, since it uses less digits than its factorization.

54420351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954765.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 54420351 is about 7377.0150467516. The cubic root of 54420351 is about 378.9545386304.

Adding to 54420351 its reverse (15302445), we get a palindrome (69722796).

The spelling of 54420351 in words is "fifty-four million, four hundred twenty thousand, three hundred fifty-one".

Divisors: 1 3 19 57 954743 2864229 18140117 54420351