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42284345 = 58995021
BaseRepresentation
bin1010000101001…
…1010100111001
32221120021012212
42201103110321
541311044340
64110144505
71022260655
oct241232471
987507185
1042284345
1121960944
12121b2135
1389b652c
145889a65
153aa3a65
hex2853539

42284345 has 8 divisors (see below), whose sum is σ = 51311880. Its totient is φ = 33447040.

The previous prime is 42284309. The next prime is 42284353. The reversal of 42284345 is 54348224.

It can be written as a sum of positive squares in 4 ways, for example, as 1157776 + 41126569 = 1076^2 + 6413^2 .

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

It is not a de Polignac number, because 42284345 - 214 = 42267961 is a prime.

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, 47066 + ... + 47955.

It is an arithmetic number, because the mean of its divisors is an integer number (6413985).

Almost surely, 242284345 is an apocalyptic number.

It is an amenable number.

42284345 is a deficient number, since it is larger than the sum of its proper divisors (9027535).

42284345 is an equidigital number, since it uses as much as digits as its factorization.

42284345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95115.

The product of its digits is 30720, while the sum is 32.

The square root of 42284345 is about 6502.6413863906. The cubic root of 42284345 is about 348.3853380126.

The spelling of 42284345 in words is "forty-two million, two hundred eighty-four thousand, three hundred forty-five".

Divisors: 1 5 89 445 95021 475105 8456869 42284345