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440424042 = 231813071321
BaseRepresentation
bin11010010000000…
…101011001101010
31010200201212012120
4122100011121222
51400222032132
6111411452110
713625354052
oct3220053152
91120655176
10440424042
11206676113
121035b7036
1370326156
14426c8562
15289eb02c
hex1a40566a

440424042 has 32 divisors (see below), whose sum is σ = 889272384. Its totient is φ = 145411200.

The previous prime is 440424041. The next prime is 440424043. The reversal of 440424042 is 240424044.

It is an interprime number because it is at equal distance from previous prime (440424041) and next prime (440424043).

It is not an unprimeable number, because it can be changed into a prime (440424041) 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, 332742 + ... + 334062.

It is an arithmetic number, because the mean of its divisors is an integer number (27789762).

Almost surely, 2440424042 is an apocalyptic number.

440424042 is an abundant number, since it is smaller than the sum of its proper divisors (448848342).

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

440424042 is a wasteful number, since it uses less digits than its factorization.

440424042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814.

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 440424042 is about 20986.2822338784. The cubic root of 440424042 is about 760.8347487891.

Adding to 440424042 its reverse (240424044), we get a palindrome (680848086).

It can be divided in two parts, 44042 and 4042, that added together give a palindrome (48084).

The spelling of 440424042 in words is "four hundred forty million, four hundred twenty-four thousand, forty-two".

Divisors: 1 2 3 6 181 307 362 543 614 921 1086 1321 1842 2642 3963 7926 55567 111134 166701 239101 333402 405547 478202 717303 811094 1216641 1434606 2433282 73404007 146808014 220212021 440424042