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1143705124 = 221738943237
BaseRepresentation
bin100010000101011…
…1000111000100100
32221201002020111001
41010022320320210
54320242030444
6305253323044
740225222162
oct10412707044
92851066431
101143705124
11537656651
1227b036484
13152c43ac3
14abc78232
156a61a8d4
hex442b8e24

1143705124 has 24 divisors (see below), whose sum is σ = 2124715320. Its totient is φ = 536818176.

The previous prime is 1143705083. The next prime is 1143705137. The reversal of 1143705124 is 4215073411.

It can be written as a sum of positive squares in 4 ways, for example, as 10036224 + 1133668900 = 3168^2 + 33670^2 .

It is a super-2 number, since 2×11437051242 = 2616122821327710752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1143705092 and 1143705101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4834 + ... + 48070.

It is an arithmetic number, because the mean of its divisors is an integer number (88529805).

Almost surely, 21143705124 is an apocalyptic number.

It is an amenable number.

1143705124 is a deficient number, since it is larger than the sum of its proper divisors (981010196).

1143705124 is a wasteful number, since it uses less digits than its factorization.

1143705124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43647 (or 43645 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 1143705124 is about 33818.7096737886. The cubic root of 1143705124 is about 1045.7744384070.

Adding to 1143705124 its reverse (4215073411), we get a palindrome (5358778535).

The spelling of 1143705124 in words is "one billion, one hundred forty-three million, seven hundred five thousand, one hundred twenty-four".

Divisors: 1 2 4 17 34 68 389 778 1556 6613 13226 26452 43237 86474 172948 735029 1470058 2940116 16819193 33638386 67276772 285926281 571852562 1143705124