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40412430 = 23251923633
BaseRepresentation
bin1001101000101…
…0010100001110
32211001011102200
42122022110032
540321144210
64002102330
71000333332
oct232122416
984034380
1040412430
11208a2503
121164a9a6
1384ac4a6
14551d7c2
1538340c0
hex268a50e

40412430 has 48 divisors (see below), whose sum is σ = 110607120. Its totient is φ = 10209024.

The previous prime is 40412401. The next prime is 40412441. The reversal of 40412430 is 3421404.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10107 + ... + 13526.

It is an arithmetic number, because the mean of its divisors is an integer number (2304315).

Almost surely, 240412430 is an apocalyptic number.

40412430 is an abundant number, since it is smaller than the sum of its proper divisors (70194690).

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

40412430 is a wasteful number, since it uses less digits than its factorization.

40412430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23665 (or 23662 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 40412430 is about 6357.0771585690. The cubic root of 40412430 is about 343.1665815016.

Adding to 40412430 its reverse (3421404), we get a palindrome (43833834).

The spelling of 40412430 in words is "forty million, four hundred twelve thousand, four hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 19 30 38 45 57 90 95 114 171 190 285 342 570 855 1710 23633 47266 70899 118165 141798 212697 236330 354495 425394 449027 708990 898054 1063485 1347081 2126970 2245135 2694162 4041243 4490270 6735405 8082486 13470810 20206215 40412430