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42983442 = 2322387969
BaseRepresentation
bin1010001111111…
…0000000010010
32222212210012100
42203332000102
542000432232
64133141230
71031232105
oct243760022
988783170
1042983442
1122299107
121248a816
138b9c7b8
1459cc73c
153b90c7c
hex28fe012

42983442 has 12 divisors (see below), whose sum is σ = 93130830. Its totient is φ = 14327808.

The previous prime is 42983431. The next prime is 42983461. The reversal of 42983442 is 24438924.

It can be written as a sum of positive squares in only one way, i.e., 25918281 + 17065161 = 5091^2 + 4131^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42983397 and 42983406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1193967 + ... + 1194002.

Almost surely, 242983442 is an apocalyptic number.

42983442 is an abundant number, since it is smaller than the sum of its proper divisors (50147388).

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

42983442 is a wasteful number, since it uses less digits than its factorization.

42983442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2387977 (or 2387974 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 42983442 is about 6556.1758670737. The cubic root of 42983442 is about 350.2948318429.

The spelling of 42983442 in words is "forty-two million, nine hundred eighty-three thousand, four hundred forty-two".

Divisors: 1 2 3 6 9 18 2387969 4775938 7163907 14327814 21491721 42983442