Search a number
-
+
53428430 = 25111912543
BaseRepresentation
bin1100101111010…
…0000011001110
310201112110000202
43023310003032
5102134202210
65145053502
71216064006
oct313640316
9121473022
1053428430
1128182630
1215a87292
13b0b8a73
14714b006
154a559a5
hex32f40ce

53428430 has 32 divisors (see below), whose sum is σ = 105504768. Its totient is φ = 19319200.

The previous prime is 53428409. The next prime is 53428439. The reversal of 53428430 is 3482435.

53428430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 53428393 and 53428402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53428439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19739 + ... + 22281.

It is an arithmetic number, because the mean of its divisors is an integer number (3297024).

Almost surely, 253428430 is an apocalyptic number.

53428430 is a deficient number, since it is larger than the sum of its proper divisors (52076338).

53428430 is a wasteful number, since it uses less digits than its factorization.

53428430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2752.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 53428430 is about 7309.4753573700. The cubic root of 53428430 is about 376.6380021869.

The spelling of 53428430 in words is "fifty-three million, four hundred twenty-eight thousand, four hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 191 382 955 1910 2101 2543 4202 5086 10505 12715 21010 25430 27973 55946 139865 279730 485713 971426 2428565 4857130 5342843 10685686 26714215 53428430