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42030224 = 243770997
BaseRepresentation
bin1010000001010…
…1010010010000
32221002100121222
42200111102100
541224431344
64100504212
71020152045
oct240252220
987070558
1042030224
11217a7a25
12120ab068
138927972
1458211cc
153a535ee
hex2815490

42030224 has 20 divisors (see below), whose sum is σ = 83635644. Its totient is φ = 20446848.

The previous prime is 42030217. The next prime is 42030227. The reversal of 42030224 is 42203024.

It can be written as a sum of positive squares in 2 ways, for example, as 18215824 + 23814400 = 4268^2 + 4880^2 .

It is not an unprimeable number, because it can be changed into a prime (42030227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34907 + ... + 36090.

Almost surely, 242030224 is an apocalyptic number.

It is an amenable number.

42030224 is a deficient number, since it is larger than the sum of its proper divisors (41605420).

42030224 is a wasteful number, since it uses less digits than its factorization.

42030224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71042 (or 71036 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 42030224 is about 6483.0721112756. The cubic root of 42030224 is about 347.6860249954.

Adding to 42030224 its reverse (42203024), we get a palindrome (84233248).

The spelling of 42030224 in words is "forty-two million, thirty thousand, two hundred twenty-four".

Divisors: 1 2 4 8 16 37 74 148 296 592 70997 141994 283988 567976 1135952 2626889 5253778 10507556 21015112 42030224