Search a number
-
+
1108285001 = 2574312393
BaseRepresentation
bin100001000001111…
…0001011001001001
32212020102201012122
41002003301121021
54232210110001
6301550221025
736315160415
oct10203613111
92766381178
101108285001
11519663a1a
1226b1b4775
131487c1a55
14a7297d45
1567470b1b
hex420f1649

1108285001 has 4 divisors (see below), whose sum is σ = 1112597652. Its totient is φ = 1103972352.

The previous prime is 1108284977. The next prime is 1108285007. The reversal of 1108285001 is 1005828011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 647753401 + 460531600 = 25451^2 + 21460^2 .

It is a cyclic number.

It is not a de Polignac number, because 1108285001 - 214 = 1108268617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1108285007) 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, 2155940 + ... + 2156453.

It is an arithmetic number, because the mean of its divisors is an integer number (278149413).

Almost surely, 21108285001 is an apocalyptic number.

It is an amenable number.

1108285001 is a deficient number, since it is larger than the sum of its proper divisors (4312651).

1108285001 is an equidigital number, since it uses as much as digits as its factorization.

1108285001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4312650.

The product of its (nonzero) digits is 640, while the sum is 26.

The square root of 1108285001 is about 33290.9146915491. The cubic root of 1108285001 is about 1034.8652849627.

The spelling of 1108285001 in words is "one billion, one hundred eight million, two hundred eighty-five thousand, one".

Divisors: 1 257 4312393 1108285001