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42732679 = 1117228517
BaseRepresentation
bin1010001100000…
…0110010000111
32222102001012211
42203000302013
541414421204
64123524251
71026136033
oct243006207
988361184
1042732679
1122137770
1212389687
138b12612
1459651c3
153b41804
hex28c0c87

42732679 has 8 divisors (see below), whose sum is σ = 49359888. Its totient is φ = 36562560.

The previous prime is 42732659. The next prime is 42732707. The reversal of 42732679 is 97623724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42732679 - 25 = 42732647 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 (42732659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114072 + ... + 114445.

It is an arithmetic number, because the mean of its divisors is an integer number (6169986).

Almost surely, 242732679 is an apocalyptic number.

42732679 is a deficient number, since it is larger than the sum of its proper divisors (6627209).

42732679 is a wasteful number, since it uses less digits than its factorization.

42732679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228545.

The product of its digits is 127008, while the sum is 40.

The square root of 42732679 is about 6537.0237111395. The cubic root of 42732679 is about 349.6123026765.

The spelling of 42732679 in words is "forty-two million, seven hundred thirty-two thousand, six hundred seventy-nine".

Divisors: 1 11 17 187 228517 2513687 3884789 42732679