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443700426 = 231319299393
BaseRepresentation
bin11010011100100…
…101010011001010
31010220220022120010
4122130211103022
51402041403201
6112010012350
713665251151
oct3234452312
91126808503
10443700426
11208503774
121047170b6
1370c02540
1442cdc598
1528e46bd6
hex1a7254ca

443700426 has 32 divisors (see below), whose sum is σ = 1005963840. Its totient is φ = 129337344.

The previous prime is 443700403. The next prime is 443700443. The reversal of 443700426 is 624007344.

It is a junction number, because it is equal to n+sod(n) for n = 443700393 and 443700402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148215 + ... + 151178.

It is an arithmetic number, because the mean of its divisors is an integer number (31436370).

Almost surely, 2443700426 is an apocalyptic number.

443700426 is an abundant number, since it is smaller than the sum of its proper divisors (562263414).

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

443700426 is a wasteful number, since it uses less digits than its factorization.

443700426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299430.

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 443700426 is about 21064.1977297974. The cubic root of 443700426 is about 762.7167462656.

The spelling of 443700426 in words is "four hundred forty-three million, seven hundred thousand, four hundred twenty-six".

Divisors: 1 2 3 6 13 19 26 38 39 57 78 114 247 494 741 1482 299393 598786 898179 1796358 3892109 5688467 7784218 11376934 11676327 17065401 23352654 34130802 73950071 147900142 221850213 443700426