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112432431 = 31031971847
BaseRepresentation
bin1101011001110…
…01010100101111
321211120011022010
412230321110233
5212240314211
615053452303
72533442226
oct654712457
9254504263
10112432431
1158513171
12317a1093
131a3a7587
1410d09cbd
159d0d4a6
hex6b3952f

112432431 has 16 divisors (see below), whose sum is σ = 152216064. Its totient is φ = 73810464.

The previous prime is 112432427. The next prime is 112432459. The reversal of 112432431 is 134234211.

It is not a de Polignac number, because 112432431 - 22 = 112432427 is a prime.

It is a super-2 number, since 2×1124324312 = 25282103081139522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112432398 and 112432407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112432471) 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, 59950 + ... + 61796.

It is an arithmetic number, because the mean of its divisors is an integer number (9513504).

Almost surely, 2112432431 is an apocalyptic number.

112432431 is a deficient number, since it is larger than the sum of its proper divisors (39783633).

112432431 is a wasteful number, since it uses less digits than its factorization.

112432431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2150.

The product of its digits is 576, while the sum is 21.

The square root of 112432431 is about 10603.4160061746. The cubic root of 112432431 is about 482.6480253141.

Adding to 112432431 its reverse (134234211), we get a palindrome (246666642).

The spelling of 112432431 in words is "one hundred twelve million, four hundred thirty-two thousand, four hundred thirty-one".

Divisors: 1 3 103 197 309 591 1847 5541 20291 60873 190241 363859 570723 1091577 37477477 112432431