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42701479 = 145129429
BaseRepresentation
bin1010001011100…
…1001010100111
32222100110102021
42202321022213
541412421404
64123124011
71025646052
oct242711247
988313367
1042701479
1122116287
1212373607
138b01362
145957a99
153b37454
hex28b92a7

42701479 has 4 divisors (see below), whose sum is σ = 42732360. Its totient is φ = 42670600.

The previous prime is 42701429. The next prime is 42701509. The reversal of 42701479 is 97410724.

42701479 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42701479 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 (42701419) 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 3 ways as a sum of consecutive naturals, for example, 13264 + ... + 16165.

It is an arithmetic number, because the mean of its divisors is an integer number (10683090).

Almost surely, 242701479 is an apocalyptic number.

42701479 is a deficient number, since it is larger than the sum of its proper divisors (30881).

42701479 is a wasteful number, since it uses less digits than its factorization.

42701479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30880.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 42701479 is about 6534.6368682583. The cubic root of 42701479 is about 349.5271956041.

The spelling of 42701479 in words is "forty-two million, seven hundred one thousand, four hundred seventy-nine".

Divisors: 1 1451 29429 42701479