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42704127 = 3235913217
BaseRepresentation
bin1010001011100…
…1110011111111
32222100121001100
42202321303333
541413013002
64123144143
71025656554
oct242716377
988317040
1042704127
1122118274
1212375053
138b0261b
145958a2b
153b3811c
hex28b9cff

42704127 has 12 divisors (see below), whose sum is σ = 61860240. Its totient is φ = 28387968.

The previous prime is 42704111. The next prime is 42704171. The reversal of 42704127 is 72140724.

It is a happy number.

It is not a de Polignac number, because 42704127 - 24 = 42704111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42704127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42704107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3378 + ... + 9839.

It is an arithmetic number, because the mean of its divisors is an integer number (5155020).

Almost surely, 242704127 is an apocalyptic number.

42704127 is a deficient number, since it is larger than the sum of its proper divisors (19156113).

42704127 is a wasteful number, since it uses less digits than its factorization.

42704127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13582 (or 13579 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 42704127 is about 6534.8394777531. The cubic root of 42704127 is about 349.5344204037.

The spelling of 42704127 in words is "forty-two million, seven hundred four thousand, one hundred twenty-seven".

Divisors: 1 3 9 359 1077 3231 13217 39651 118953 4744903 14234709 42704127