Search a number
-
+
1143432230 = 25114343223
BaseRepresentation
bin100010000100111…
…0110010000100110
32221200120101010212
41010021312100212
54320204312410
6305243415422
740223004443
oct10411662046
92850511125
101143432230
1153748a616
1227ab24572
13152b79825
14abc069ca
156a5b4b05
hex44276426

1143432230 has 8 divisors (see below), whose sum is σ = 2058178032. Its totient is φ = 457372888.

The previous prime is 1143432203. The next prime is 1143432233. The reversal of 1143432230 is 322343411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1143432196 and 1143432205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143432233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57171602 + ... + 57171621.

It is an arithmetic number, because the mean of its divisors is an integer number (257272254).

Almost surely, 21143432230 is an apocalyptic number.

1143432230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1143432230 is a deficient number, since it is larger than the sum of its proper divisors (914745802).

1143432230 is a wasteful number, since it uses less digits than its factorization.

1143432230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114343230.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1143432230 is about 33814.6747729444. The cubic root of 1143432230 is about 1045.6912560479.

Adding to 1143432230 its reverse (322343411), we get a palindrome (1465775641).

The spelling of 1143432230 in words is "one billion, one hundred forty-three million, four hundred thirty-two thousand, two hundred thirty".

Divisors: 1 2 5 10 114343223 228686446 571716115 1143432230