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42210677 = 172482981
BaseRepresentation
bin1010000100000…
…1010101110101
32221102112011102
42201001111311
541301220202
64104415445
71021533125
oct241012565
987375142
1042210677
1121910563
1212177585
13898bb42
14586ac85
153a8bd02
hex2841575

42210677 has 4 divisors (see below), whose sum is σ = 44693676. Its totient is φ = 39727680.

The previous prime is 42210661. The next prime is 42210703. The reversal of 42210677 is 77601224.

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

It can be written as a sum of positive squares in 2 ways, for example, as 37075921 + 5134756 = 6089^2 + 2266^2 .

It is a cyclic number.

It is not a de Polignac number, because 42210677 - 24 = 42210661 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 (42218677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1241474 + ... + 1241507.

It is an arithmetic number, because the mean of its divisors is an integer number (11173419).

Almost surely, 242210677 is an apocalyptic number.

It is an amenable number.

42210677 is a deficient number, since it is larger than the sum of its proper divisors (2482999).

42210677 is a wasteful number, since it uses less digits than its factorization.

42210677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2482998.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 42210677 is about 6496.9744496958. The cubic root of 42210677 is about 348.1829008380.

The spelling of 42210677 in words is "forty-two million, two hundred ten thousand, six hundred seventy-seven".

Divisors: 1 17 2482981 42210677