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42983253 = 324775917
BaseRepresentation
bin1010001111110…
…1111101010101
32222212202221100
42203331331111
542000431003
64133140313
71031231415
oct243757525
988782840
1042983253
1122298a55
121248a699
138b9c6a1
1459cc645
153b90ba3
hex28fdf55

42983253 has 6 divisors (see below), whose sum is σ = 62086934. Its totient is φ = 28655496.

The previous prime is 42983231. The next prime is 42983261. The reversal of 42983253 is 35238924.

It can be written as a sum of positive squares in only one way, i.e., 26967249 + 16016004 = 5193^2 + 4002^2 .

It is not a de Polignac number, because 42983253 - 25 = 42983221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42983653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2387950 + ... + 2387967.

Almost surely, 242983253 is an apocalyptic number.

It is an amenable number.

42983253 is a deficient number, since it is larger than the sum of its proper divisors (19103681).

42983253 is a wasteful number, since it uses less digits than its factorization.

42983253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4775923 (or 4775920 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 42983253 is about 6556.1614531675. The cubic root of 42983253 is about 350.2943184218.

The spelling of 42983253 in words is "forty-two million, nine hundred eighty-three thousand, two hundred fifty-three".

Divisors: 1 3 9 4775917 14327751 42983253