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445396443 = 31217121993
BaseRepresentation
bin11010100011000…
…011010111011011
31011001002111001120
4122203003113123
51403010141233
6112110220323
714015543622
oct3243032733
91131074046
10445396443
11209461a38
121051b46a3
13713774bb
14432206b9
152917e4b3
hex1a8c35db

445396443 has 8 divisors (see below), whose sum is σ = 594354768. Its totient is φ = 296684544.

The previous prime is 445396439. The next prime is 445396477. The reversal of 445396443 is 344693544.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 445396443 - 22 = 445396439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 445396395 and 445396404.

It is not an unprimeable number, because it can be changed into a prime (445396543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57346 + ... + 64647.

It is an arithmetic number, because the mean of its divisors is an integer number (74294346).

Almost surely, 2445396443 is an apocalyptic number.

445396443 is a deficient number, since it is larger than the sum of its proper divisors (148958325).

445396443 is a wasteful number, since it uses less digits than its factorization.

445396443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123213.

The product of its digits is 622080, while the sum is 42.

The square root of 445396443 is about 21104.4176181197. The cubic root of 445396443 is about 763.6873229379.

The spelling of 445396443 in words is "four hundred forty-five million, three hundred ninety-six thousand, four hundred forty-three".

Divisors: 1 3 1217 3651 121993 365979 148465481 445396443