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42689713 = 11191571301
BaseRepresentation
bin1010001011011…
…0010010110001
32222022212021111
42202312102301
541412032323
64122553321
71025566543
oct242662261
988285244
1042689713
1122108460
1212368841
138ac8bb1
145953693
153b33c0d
hex28b64b1

42689713 has 16 divisors (see below), whose sum is σ = 49371840. Its totient is φ = 36504000.

The previous prime is 42689693. The next prime is 42689719. The reversal of 42689713 is 31798624.

It is a cyclic number.

It is not a de Polignac number, because 42689713 - 25 = 42689681 is a prime.

It is a super-3 number, since 3×426897133 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42689719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32163 + ... + 33463.

It is an arithmetic number, because the mean of its divisors is an integer number (3085740).

Almost surely, 242689713 is an apocalyptic number.

It is an amenable number.

42689713 is a deficient number, since it is larger than the sum of its proper divisors (6682127).

42689713 is a wasteful number, since it uses less digits than its factorization.

42689713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1488.

The product of its digits is 72576, while the sum is 40.

The square root of 42689713 is about 6533.7365266745. The cubic root of 42689713 is about 349.4950896532.

The spelling of 42689713 in words is "forty-two million, six hundred eighty-nine thousand, seven hundred thirteen".

Divisors: 1 11 19 157 209 1301 1727 2983 14311 24719 32813 204257 271909 2246827 3880883 42689713