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42727587 = 377128657
BaseRepresentation
bin1010001011111…
…1100010100011
32222101210020020
42202333202203
541414240322
64123444523
71026115140
oct242774243
988353206
1042727587
1122133961
1212386743
138b101c6
1459633c7
153b4005c
hex28bf8a3

42727587 has 16 divisors (see below), whose sum is σ = 66028032. Its totient is φ = 24071040.

The previous prime is 42727577. The next prime is 42727589. The reversal of 42727587 is 78572724.

It is not a de Polignac number, because 42727587 - 24 = 42727571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42727589) 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, 12838 + ... + 15819.

It is an arithmetic number, because the mean of its divisors is an integer number (4126752).

Almost surely, 242727587 is an apocalyptic number.

42727587 is a deficient number, since it is larger than the sum of its proper divisors (23300445).

42727587 is a wasteful number, since it uses less digits than its factorization.

42727587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28738.

The product of its digits is 219520, while the sum is 42.

The square root of 42727587 is about 6536.6342256547. The cubic root of 42727587 is about 349.5984155952.

The spelling of 42727587 in words is "forty-two million, seven hundred twenty-seven thousand, five hundred eighty-seven".

Divisors: 1 3 7 21 71 213 497 1491 28657 85971 200599 601797 2034647 6103941 14242529 42727587