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2394438490 = 25613925309
BaseRepresentation
bin1000111010111000…
…0011101101011010
320011212120002010001
42032232003231122
514400434012430
61033333043214
7113223251143
oct21656035532
96155502101
102394438490
111019664094
12569a8650a
132c20bc412
1418a012aca
15e03283ca
hex8eb83b5a

2394438490 has 16 divisors (see below), whose sum is σ = 4380645960. Its totient is φ = 942073920.

The previous prime is 2394438451. The next prime is 2394438503. The reversal of 2394438490 is 948344932.

It is a Cunningham number, because it is equal to 489332+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1291467969 + 1102970521 = 35937^2 + 33211^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2394438490.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1962045 + ... + 1963264.

Almost surely, 22394438490 is an apocalyptic number.

2394438490 is a deficient number, since it is larger than the sum of its proper divisors (1986207470).

2394438490 is a wasteful number, since it uses less digits than its factorization.

2394438490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3925377.

The product of its (nonzero) digits is 746496, while the sum is 46.

The square root of 2394438490 is about 48933.0000102181. Note that the first 4 decimals coincide. The cubic root of 2394438490 is about 1337.8309175079.

The spelling of 2394438490 in words is "two billion, three hundred ninety-four million, four hundred thirty-eight thousand, four hundred ninety".

Divisors: 1 2 5 10 61 122 305 610 3925309 7850618 19626545 39253090 239443849 478887698 1197219245 2394438490