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42300340 = 2252115017
BaseRepresentation
bin1010000101011…
…1001110110100
32221121002011021
42201113032310
541312102330
64110350524
71022355415
oct241271664
987532137
1042300340
1121971965
12121bb444
1389c08b4
14589180c
153aa867a
hex28573b4

42300340 has 12 divisors (see below), whose sum is σ = 88830756. Its totient is φ = 16920128.

The previous prime is 42300331. The next prime is 42300359. The reversal of 42300340 is 4300324.

42300340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 16208676 + 26091664 = 4026^2 + 5108^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1057489 + ... + 1057528.

It is an arithmetic number, because the mean of its divisors is an integer number (7402563).

Almost surely, 242300340 is an apocalyptic number.

It is an amenable number.

42300340 is an abundant number, since it is smaller than the sum of its proper divisors (46530416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42300340 is a wasteful number, since it uses less digits than its factorization.

42300340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2115026 (or 2115024 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 42300340 is about 6503.8711549353. The cubic root of 42300340 is about 348.4292606590.

Subtracting from 42300340 its sum of digits (16), we obtain a palindrome (42300324).

Adding to 42300340 its reverse (4300324), we get a palindrome (46600664).

The spelling of 42300340 in words is "forty-two million, three hundred thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 2115017 4230034 8460068 10575085 21150170 42300340