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42819488 = 251338109
BaseRepresentation
bin1010001101010…
…1111110100000
32222120110021222
42203111332200
541430210423
64125434212
71026650105
oct243257640
988513258
1042819488
1122196a08
121240b968
138b42c9a
145988aac
153b5c3c8
hex28d5fa0

42819488 has 12 divisors (see below), whose sum is σ = 84300930. Its totient is φ = 21409728.

The previous prime is 42819433. The next prime is 42819509. The reversal of 42819488 is 88491824.

It is a happy number.

42819488 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 only one way, i.e., 26915344 + 15904144 = 5188^2 + 3988^2 .

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 as a sum of consecutive naturals, namely, 669023 + ... + 669086.

Almost surely, 242819488 is an apocalyptic number.

It is an amenable number.

42819488 is a deficient number, since it is larger than the sum of its proper divisors (41481442).

42819488 is a wasteful number, since it uses less digits than its factorization.

42819488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338119 (or 1338111 counting only the distinct ones).

The product of its digits is 147456, while the sum is 44.

The square root of 42819488 is about 6543.6601378739. The cubic root of 42819488 is about 349.8488817003.

The spelling of 42819488 in words is "forty-two million, eight hundred nineteen thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 16 32 1338109 2676218 5352436 10704872 21409744 42819488