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42898971 = 382717291
BaseRepresentation
bin1010001110100…
…1011000011011
32222201111022210
42203221120123
541440231341
64131250203
71030430613
oct243513033
988644283
1042898971
11222406a5
1212449963
138b7020b
1459a9a43
153b75c16
hex28e961b

42898971 has 8 divisors (see below), whose sum is σ = 57271104. Its totient is φ = 28563080.

The previous prime is 42898969. The next prime is 42898987. The reversal of 42898971 is 17989824.

42898971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 42898971 - 21 = 42898969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42898971.

It is not an unprimeable number, because it can be changed into a prime (42898951) 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 7 ways as a sum of consecutive naturals, for example, 6165 + ... + 11126.

It is an arithmetic number, because the mean of its divisors is an integer number (7158888).

Almost surely, 242898971 is an apocalyptic number.

42898971 is a deficient number, since it is larger than the sum of its proper divisors (14372133).

42898971 is a wasteful number, since it uses less digits than its factorization.

42898971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18121.

The product of its digits is 290304, while the sum is 48.

The square root of 42898971 is about 6549.7306051471. The cubic root of 42898971 is about 350.0652150587.

It can be divided in two parts, 428 and 98971, that added together give a palindrome (99399).

The spelling of 42898971 in words is "forty-two million, eight hundred ninety-eight thousand, nine hundred seventy-one".

Divisors: 1 3 827 2481 17291 51873 14299657 42898971