Search a number
-
+
112431489 = 31717312743
BaseRepresentation
bin1101011001110…
…01000110000001
321211120010000020
412230321012001
5212240301424
615053444053
72533436412
oct654710601
9254503006
10112431489
1158512495
12317a0629
131a3a7011
1410d09809
159d0d079
hex6b39181

112431489 has 16 divisors (see below), whose sum is σ = 159656832. Its totient is φ = 70131968.

The previous prime is 112431469. The next prime is 112431533. The reversal of 112431489 is 984134211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 112431489 - 29 = 112430977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (112431409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2452 + ... + 15194.

It is an arithmetic number, because the mean of its divisors is an integer number (9978552).

Almost surely, 2112431489 is an apocalyptic number.

It is an amenable number.

112431489 is a deficient number, since it is larger than the sum of its proper divisors (47225343).

112431489 is a wasteful number, since it uses less digits than its factorization.

112431489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12936.

The product of its digits is 6912, while the sum is 33.

The square root of 112431489 is about 10603.3715864342. The cubic root of 112431489 is about 482.6466773765.

The spelling of 112431489 in words is "one hundred twelve million, four hundred thirty-one thousand, four hundred eighty-nine".

Divisors: 1 3 17 51 173 519 2941 8823 12743 38229 216631 649893 2204539 6613617 37477163 112431489