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42799473 = 324755497
BaseRepresentation
bin1010001101000…
…1000101110001
32222112102211200
42203101011301
541424040343
64125201413
71026534543
oct243210561
988472750
1042799473
1122182972
1212400269
138b36b42
145981693
153b564d3
hex28d1171

42799473 has 6 divisors (see below), whose sum is σ = 61821474. Its totient is φ = 28532976.

The previous prime is 42799453. The next prime is 42799501. The reversal of 42799473 is 37499724.

It can be written as a sum of positive squares in only one way, i.e., 35247969 + 7551504 = 5937^2 + 2748^2 .

It is not a de Polignac number, because 42799473 - 26 = 42799409 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42799423) by changing a digit.

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, 2377740 + ... + 2377757.

It is an arithmetic number, because the mean of its divisors is an integer number (10303579).

Almost surely, 242799473 is an apocalyptic number.

It is an amenable number.

42799473 is a deficient number, since it is larger than the sum of its proper divisors (19022001).

42799473 is a wasteful number, since it uses less digits than its factorization.

42799473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4755503 (or 4755500 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 42799473 is about 6542.1306162442. The cubic root of 42799473 is about 349.7943635593.

The spelling of 42799473 in words is "forty-two million, seven hundred ninety-nine thousand, four hundred seventy-three".

Divisors: 1 3 9 4755497 14266491 42799473