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1143924 = 22395327
BaseRepresentation
bin100010111010001110100
32011010011120
410113101310
5243101144
640303540
712503025
oct4272164
92133146
101143924
117114a1
12471bb0
133108a2
1421ac4c
15178e19
hex117474

1143924 has 12 divisors (see below), whose sum is σ = 2669184. Its totient is φ = 381304.

The previous prime is 1143893. The next prime is 1143943. The reversal of 1143924 is 4293411.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1143894 and 1143903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47652 + ... + 47675.

It is an arithmetic number, because the mean of its divisors is an integer number (222432).

21143924 is an apocalyptic number.

It is an amenable number.

1143924 is an abundant number, since it is smaller than the sum of its proper divisors (1525260).

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

1143924 is a wasteful number, since it uses less digits than its factorization.

1143924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95334 (or 95332 counting only the distinct ones).

The product of its digits is 864, while the sum is 24.

The square root of 1143924 is about 1069.5438279940. The cubic root of 1143924 is about 104.5841145673.

The spelling of 1143924 in words is "one million, one hundred forty-three thousand, nine hundred twenty-four".

Divisors: 1 2 3 4 6 12 95327 190654 285981 381308 571962 1143924