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444056140 = 225112018437
BaseRepresentation
bin11010011101111…
…100001001001100
31010221120101111201
4122131330021030
51402134244030
6112021355244
714001262213
oct3235741114
91127511451
10444056140
11208726a50
12104868b24
1370cc8418
1442d9207a
1528eb72ca
hex1a77c24c

444056140 has 24 divisors (see below), whose sum is σ = 1017292752. Its totient is φ = 161474880.

The previous prime is 444056113. The next prime is 444056189. The reversal of 444056140 is 41650444.

It is a junction number, because it is equal to n+sod(n) for n = 444056099 and 444056108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1008999 + ... + 1009438.

It is an arithmetic number, because the mean of its divisors is an integer number (42387198).

Almost surely, 2444056140 is an apocalyptic number.

It is an amenable number.

444056140 is an abundant number, since it is smaller than the sum of its proper divisors (573236612).

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

444056140 is a wasteful number, since it uses less digits than its factorization.

444056140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2018457 (or 2018455 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 444056140 is about 21072.6396068457. The cubic root of 444056140 is about 762.9205147983.

The spelling of 444056140 in words is "four hundred forty-four million, fifty-six thousand, one hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 2018437 4036874 8073748 10092185 20184370 22202807 40368740 44405614 88811228 111014035 222028070 444056140