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1030255 = 5206051
BaseRepresentation
bin11111011100001101111
31221100020121
43323201233
5230432010
634025411
711520442
oct3734157
91840217
101030255
11644056
12418267
132a0c25
141cb659
151553da
hexfb86f

1030255 has 4 divisors (see below), whose sum is σ = 1236312. Its totient is φ = 824200.

The previous prime is 1030247. The next prime is 1030291. The reversal of 1030255 is 5520301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5520301 = 14937049.

It is not a de Polignac number, because 1030255 - 23 = 1030247 is a prime.

It is a super-2 number, since 2×10302552 = 2122850730050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103021 + ... + 103030.

It is an arithmetic number, because the mean of its divisors is an integer number (309078).

21030255 is an apocalyptic number.

1030255 is a deficient number, since it is larger than the sum of its proper divisors (206057).

1030255 is an equidigital number, since it uses as much as digits as its factorization.

1030255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206056.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 1030255 is about 1015.0147782175. The cubic root of 1030255 is about 100.9984968570.

Adding to 1030255 its reverse (5520301), we get a palindrome (6550556).

The spelling of 1030255 in words is "one million, thirty thousand, two hundred fifty-five".

Divisors: 1 5 206051 1030255