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2440422 = 233431051
BaseRepresentation
bin1001010011110011100110
311120222122000
421103303212
51111043142
6124150130
726512635
oct11236346
94528560
102440422
111417586
12998346
13675a4a
1447751c
1533314c
hex253ce6

2440422 has 32 divisors (see below), whose sum is σ = 5554560. Its totient is φ = 793800.

The previous prime is 2440421. The next prime is 2440439. The reversal of 2440422 is 2240442.

2440422 is a `hidden beast` number, since 244 + 0 + 422 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 2440395 and 2440404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440421) 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, 1797 + ... + 2847.

It is an arithmetic number, because the mean of its divisors is an integer number (173580).

22440422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2440422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2777280).

2440422 is an abundant number, since it is smaller than the sum of its proper divisors (3114138).

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

2440422 is a wasteful number, since it uses less digits than its factorization.

2440422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105 (or 1099 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 2440422 is about 1562.1850082497. The cubic root of 2440422 is about 134.6340707415.

Adding to 2440422 its reverse (2240442), we get a palindrome (4680864).

The spelling of 2440422 in words is "two million, four hundred forty thousand, four hundred twenty-two".

Divisors: 1 2 3 6 9 18 27 43 54 86 129 258 387 774 1051 1161 2102 2322 3153 6306 9459 18918 28377 45193 56754 90386 135579 271158 406737 813474 1220211 2440422