Search a number
-
+
1024552255 = 5204910451
BaseRepresentation
bin111101000100010…
…110110100111111
32122101212122110211
4331010112310333
54044241133010
6245355413251
734250356546
oct7504266477
92571778424
101024552255
11486373301
12247154227
1313435564c
149a0dd15d
155ee3108a
hex3d116d3f

1024552255 has 4 divisors (see below), whose sum is σ = 1229462712. Its totient is φ = 819641800.

The previous prime is 1024552189. The next prime is 1024552259. The reversal of 1024552255 is 5522554201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5522554201 = 8389658309.

It is not a de Polignac number, because 1024552255 - 29 = 1024551743 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1024552259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102455221 + ... + 102455230.

It is an arithmetic number, because the mean of its divisors is an integer number (307365678).

Almost surely, 21024552255 is an apocalyptic number.

1024552255 is a deficient number, since it is larger than the sum of its proper divisors (204910457).

1024552255 is an equidigital number, since it uses as much as digits as its factorization.

1024552255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204910456.

The product of its (nonzero) digits is 20000, while the sum is 31.

The square root of 1024552255 is about 32008.6278212609. The cubic root of 1024552255 is about 1008.1180046693.

It can be divided in two parts, 10245 and 52255, that added together give a square (62500 = 2502).

The spelling of 1024552255 in words is "one billion, twenty-four million, five hundred fifty-two thousand, two hundred fifty-five".

Divisors: 1 5 204910451 1024552255