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42049593 = 324672177
BaseRepresentation
bin1010000001101…
…0000000111001
32221010100012100
42200122000321
541231041333
64101134013
71020262365
oct240320071
987110170
1042049593
1121810533
12120ba309
138933721
1458282a5
153a59213
hex281a039

42049593 has 6 divisors (see below), whose sum is σ = 60738314. Its totient is φ = 28033056.

The previous prime is 42049591. The next prime is 42049607. The reversal of 42049593 is 39594024.

42049593 is a `hidden beast` number, since 4 + 20 + 49 + 593 = 666.

It can be written as a sum of positive squares in only one way, i.e., 40602384 + 1447209 = 6372^2 + 1203^2 .

It is not a de Polignac number, because 42049593 - 21 = 42049591 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42049591) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2336080 + ... + 2336097.

Almost surely, 242049593 is an apocalyptic number.

It is an amenable number.

42049593 is a deficient number, since it is larger than the sum of its proper divisors (18688721).

42049593 is a wasteful number, since it uses less digits than its factorization.

42049593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4672183 (or 4672180 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 42049593 is about 6484.5657526160. The cubic root of 42049593 is about 347.7394254278.

The spelling of 42049593 in words is "forty-two million, forty-nine thousand, five hundred ninety-three".

Divisors: 1 3 9 4672177 14016531 42049593