Search a number
-
+
53420354 = 2132054629
BaseRepresentation
bin1100101111001…
…0000101000010
310201112000221122
43023302011002
5102133422404
65144552242
71216031321
oct313620502
9121460848
1053420354
1128177559
1215a82682
13b0b51a0
1471480b8
154a533be
hex32f2142

53420354 has 8 divisors (see below), whose sum is σ = 86294460. Its totient is φ = 24655536.

The previous prime is 53420321. The next prime is 53420357. The reversal of 53420354 is 45302435.

It can be written as a sum of positive squares in 2 ways, for example, as 37540129 + 15880225 = 6127^2 + 3985^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 2054629 = 53420354 / (5 + 3 + 4 + 2 + 0 + 3 + 5 + 4).

It is not an unprimeable number, because it can be changed into a prime (53420357) 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 3 ways as a sum of consecutive naturals, for example, 1027289 + ... + 1027340.

Almost surely, 253420354 is an apocalyptic number.

53420354 is a deficient number, since it is larger than the sum of its proper divisors (32874106).

53420354 is a wasteful number, since it uses less digits than its factorization.

53420354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2054644.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 53420354 is about 7308.9229028633. The cubic root of 53420354 is about 376.6190242646.

Adding to 53420354 its reverse (45302435), we get a palindrome (98722789).

The spelling of 53420354 in words is "fifty-three million, four hundred twenty thousand, three hundred fifty-four".

Divisors: 1 2 13 26 2054629 4109258 26710177 53420354