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42827049 = 35176243
BaseRepresentation
bin1010001101011…
…1110100101001
32222120211200000
42203113310221
541430431144
64125533213
71030011126
oct243276451
988524600
1042827049
11221a1661
1212414209
138b46565
14598b74d
153b5e769
hex28d7d29

42827049 has 12 divisors (see below), whose sum is σ = 64152816. Its totient is φ = 28551204.

The previous prime is 42827041. The next prime is 42827077. The reversal of 42827049 is 94072824.

It is not a de Polignac number, because 42827049 - 23 = 42827041 is a prime.

It is a super-2 number, since 2×428270492 = 3668312252096802, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42827041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87879 + ... + 88364.

It is an arithmetic number, because the mean of its divisors is an integer number (5346068).

Almost surely, 242827049 is an apocalyptic number.

It is an amenable number.

42827049 is a deficient number, since it is larger than the sum of its proper divisors (21325767).

42827049 is an equidigital number, since it uses as much as digits as its factorization.

42827049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176258 (or 176246 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 42827049 is about 6544.2378471446. The cubic root of 42827049 is about 349.8694724161.

The spelling of 42827049 in words is "forty-two million, eight hundred twenty-seven thousand, forty-nine".

Divisors: 1 3 9 27 81 243 176243 528729 1586187 4758561 14275683 42827049