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42846505 = 513659177
BaseRepresentation
bin1010001101110…
…0100100101001
32222121211100121
42203130210221
541432042010
64130203241
71030121632
oct243344451
988554317
1042846505
1122205239
1212423521
138b52380
145994889
153b653da
hex28dc929

42846505 has 8 divisors (see below), whose sum is σ = 55370952. Its totient is φ = 31640448.

The previous prime is 42846499. The next prime is 42846527. The reversal of 42846505 is 50564824.

It can be written as a sum of positive squares in 4 ways, for example, as 2752281 + 40094224 = 1659^2 + 6332^2 .

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 42846505 - 23 = 42846497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329524 + ... + 329653.

It is an arithmetic number, because the mean of its divisors is an integer number (6921369).

Almost surely, 242846505 is an apocalyptic number.

It is an amenable number.

42846505 is a deficient number, since it is larger than the sum of its proper divisors (12524447).

42846505 is a wasteful number, since it uses less digits than its factorization.

42846505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659195.

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 42846505 is about 6545.7241768959. The cubic root of 42846505 is about 349.9224454014.

The spelling of 42846505 in words is "forty-two million, eight hundred forty-six thousand, five hundred five".

Divisors: 1 5 13 65 659177 3295885 8569301 42846505