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40431114 = 2322246173
BaseRepresentation
bin1001101000111…
…0111000001010
32211002010001200
42122032320022
540322243424
64002325030
71000441653
oct232167012
984063050
1040431114
1120905549
1211659776
1384b7b49
14552652a
1538398c9
hex268ee0a

40431114 has 12 divisors (see below), whose sum is σ = 87600786. Its totient is φ = 13477032.

The previous prime is 40431113. The next prime is 40431119. The reversal of 40431114 is 41113404.

It can be written as a sum of positive squares in only one way, i.e., 29322225 + 11108889 = 5415^2 + 3333^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 2246173 = 40431114 / (4 + 0 + 4 + 3 + 1 + 1 + 1 + 4).

It is not an unprimeable number, because it can be changed into a prime (40431113) 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, 1123069 + ... + 1123104.

Almost surely, 240431114 is an apocalyptic number.

40431114 is an abundant number, since it is smaller than the sum of its proper divisors (47169672).

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

40431114 is a wasteful number, since it uses less digits than its factorization.

40431114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2246181 (or 2246178 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 40431114 is about 6358.5465320307. The cubic root of 40431114 is about 343.2194590985.

Adding to 40431114 its reverse (41113404), we get a palindrome (81544518).

The spelling of 40431114 in words is "forty million, four hundred thirty-one thousand, one hundred fourteen".

Divisors: 1 2 3 6 9 18 2246173 4492346 6738519 13477038 20215557 40431114