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42900999 = 314300333
BaseRepresentation
bin1010001110100…
…1111000000111
32222201121002220
42203221320013
541440312444
64131303423
71030436541
oct243517007
988647086
1042900999
1122242179
121244ab73
138b7110b
1459aa691
153b76619
hex28e9e07

42900999 has 4 divisors (see below), whose sum is σ = 57201336. Its totient is φ = 28600664.

The previous prime is 42900959. The next prime is 42901007. The reversal of 42900999 is 99900924.

42900999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42900999 - 28 = 42900743 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42900999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42900959) by changing a digit.

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, 7150164 + ... + 7150169.

It is an arithmetic number, because the mean of its divisors is an integer number (14300334).

Almost surely, 242900999 is an apocalyptic number.

42900999 is a deficient number, since it is larger than the sum of its proper divisors (14300337).

42900999 is a wasteful number, since it uses less digits than its factorization.

42900999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14300336.

The product of its (nonzero) digits is 52488, while the sum is 42.

The square root of 42900999 is about 6549.8854188451. The cubic root of 42900999 is about 350.0707312832.

The spelling of 42900999 in words is "forty-two million, nine hundred thousand, nine hundred ninety-nine".

Divisors: 1 3 14300333 42900999