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1143232092 = 223231756447
BaseRepresentation
bin100010000100100…
…0101011001011100
32221200012012121100
41010021011121130
54320131411332
6305235233100
740221212112
oct10411053134
92850165540
101143232092
11537363212
1227aa48790
13152b096c2
14abb93ab2
156a57567c
hex4424565c

1143232092 has 18 divisors (see below), whose sum is σ = 2889836768. Its totient is φ = 381077352.

The previous prime is 1143232091. The next prime is 1143232093. The reversal of 1143232092 is 2902323411.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1143232091) and next prime (1143232093).

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143232091) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15878188 + ... + 15878259.

Almost surely, 21143232092 is an apocalyptic number.

1143232092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1143232092 is an abundant number, since it is smaller than the sum of its proper divisors (1746604676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1143232092 is a wasteful number, since it uses less digits than its factorization.

1143232092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31756457 (or 31756452 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 1143232092 is about 33811.7153069761. The cubic root of 1143232092 is about 1045.6302424427.

The spelling of 1143232092 in words is "one billion, one hundred forty-three million, two hundred thirty-two thousand, ninety-two".

Divisors: 1 2 3 4 6 9 12 18 36 31756447 63512894 95269341 127025788 190538682 285808023 381077364 571616046 1143232092