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440415342 = 23224467519
BaseRepresentation
bin11010010000000…
…011010001101110
31010200201102021100
4122100003101232
51400221242332
6111411343530
713625316513
oct3220032156
91120642240
10440415342
1120666a624
121035b1ba6
13703221c3
14426c530a
15289e867c
hex1a40346e

440415342 has 12 divisors (see below), whose sum is σ = 954233280. Its totient is φ = 146805108.

The previous prime is 440415341. The next prime is 440415377. The reversal of 440415342 is 243514044.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440415341) 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, 12233742 + ... + 12233777.

It is an arithmetic number, because the mean of its divisors is an integer number (79519440).

Almost surely, 2440415342 is an apocalyptic number.

440415342 is an abundant number, since it is smaller than the sum of its proper divisors (513817938).

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

440415342 is a wasteful number, since it uses less digits than its factorization.

440415342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24467527 (or 24467524 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 440415342 is about 20986.0749545979. The cubic root of 440415342 is about 760.8297389915.

Adding to 440415342 its reverse (243514044), we get a palindrome (683929386).

The spelling of 440415342 in words is "four hundred forty million, four hundred fifteen thousand, three hundred forty-two".

Divisors: 1 2 3 6 9 18 24467519 48935038 73402557 146805114 220207671 440415342