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70443 = 332609
BaseRepresentation
bin10001001100101011
310120122000
4101030223
54223233
61302043
7412242
oct211453
9116560
1070443
1148a1a
1234923
13260a9
141b959
1515d13
hex1132b

70443 has 8 divisors (see below), whose sum is σ = 104400. Its totient is φ = 46944.

The previous prime is 70439. The next prime is 70451. The reversal of 70443 is 34407.

It is not a de Polignac number, because 70443 - 22 = 70439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70423) 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, 1278 + ... + 1331.

It is an arithmetic number, because the mean of its divisors is an integer number (13050).

270443 is an apocalyptic number.

70443 is a deficient number, since it is larger than the sum of its proper divisors (33957).

70443 is a wasteful number, since it uses less digits than its factorization.

70443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2618 (or 2612 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 70443 is about 265.4110020327. The cubic root of 70443 is about 41.2996097339.

Subtracting from 70443 its product of nonzero digits (336), we obtain a palindrome (70107).

It can be divided in two parts, 704 and 43, that added together give a palindrome (747).

The spelling of 70443 in words is "seventy thousand, four hundred forty-three", and thus it is an iban number.

Divisors: 1 3 9 27 2609 7827 23481 70443