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1143270052 = 221961246607
BaseRepresentation
bin100010000100100…
…1110101010100100
32221200021010200021
41010021032222210
54320134120202
6305240124524
740221430561
oct10411165244
92850233607
101143270052
11537389791
1227aa66744
13152b20a72
14abba3868
156a581a37
hex4424eaa4

1143270052 has 24 divisors (see below), whose sum is σ = 2140557440. Its totient is φ = 532668960.

The previous prime is 1143270041. The next prime is 1143270053. The reversal of 1143270052 is 2500723411.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1143269999 and 1143270026.

It is not an unprimeable number, because it can be changed into a prime (1143270053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118668 + ... + 127939.

Almost surely, 21143270052 is an apocalyptic number.

It is an amenable number.

1143270052 is a deficient number, since it is larger than the sum of its proper divisors (997287388).

1143270052 is a wasteful number, since it uses less digits than its factorization.

1143270052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246691 (or 246689 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 1143270052 is about 33812.2766462124. The cubic root of 1143270052 is about 1045.6418153872.

Adding to 1143270052 its reverse (2500723411), we get a palindrome (3643993463).

The spelling of 1143270052 in words is "one billion, one hundred forty-three million, two hundred seventy thousand, fifty-two".

Divisors: 1 2 4 19 38 61 76 122 244 1159 2318 4636 246607 493214 986428 4685533 9371066 15043027 18742132 30086054 60172108 285817513 571635026 1143270052