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440841372 = 22336736781
BaseRepresentation
bin11010010001101…
…011010010011100
31010201112001200020
4122101223102130
51400323410442
6111424432140
713632042546
oct3221532234
91121461606
10440841372
11206930714
12103778650
13704410aa
1442796696
1528a7e9ec
hex1a46b49c

440841372 has 12 divisors (see below), whose sum is σ = 1028629896. Its totient is φ = 146947120.

The previous prime is 440841367. The next prime is 440841403. The reversal of 440841372 is 273148044.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×4408413722 = 388682230533684768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18368379 + ... + 18368402.

It is an arithmetic number, because the mean of its divisors is an integer number (85719158).

Almost surely, 2440841372 is an apocalyptic number.

It is an amenable number.

440841372 is an abundant number, since it is smaller than the sum of its proper divisors (587788524).

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

440841372 is a wasteful number, since it uses less digits than its factorization.

440841372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36736788 (or 36736786 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 440841372 is about 20996.2228031615. Note that the first 3 decimals coincide. The cubic root of 440841372 is about 761.0749861500.

The spelling of 440841372 in words is "four hundred forty million, eight hundred forty-one thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 12 36736781 73473562 110210343 146947124 220420686 440841372