Search a number
-
+
42874648 = 237097559
BaseRepresentation
bin1010001110001…
…1011100011000
32222200020221221
42203203130120
541433442043
64130541424
71030266655
oct243433430
988606857
1042874648
11222243a3
1212437874
138b6211b
1459a0c2c
153b6d8ed
hex28e3718

42874648 has 16 divisors (see below), whose sum is σ = 80514000. Its totient is φ = 21404256.

The previous prime is 42874627. The next prime is 42874661. The reversal of 42874648 is 84647824.

It is a super-2 number, since 2×428746482 = 3676470882247808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1893 + ... + 9451.

It is an arithmetic number, because the mean of its divisors is an integer number (5032125).

Almost surely, 242874648 is an apocalyptic number.

It is an amenable number.

42874648 is a deficient number, since it is larger than the sum of its proper divisors (37639352).

42874648 is a wasteful number, since it uses less digits than its factorization.

42874648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8274 (or 8270 counting only the distinct ones).

The product of its digits is 344064, while the sum is 43.

The square root of 42874648 is about 6547.8735479543. The cubic root of 42874648 is about 349.9990421742. Note that the first 3 decimals are identical.

It can be divided in two parts, 428 and 74648, that added together give a square (75076 = 2742).

The spelling of 42874648 in words is "forty-two million, eight hundred seventy-four thousand, six hundred forty-eight".

Divisors: 1 2 4 8 709 1418 2836 5672 7559 15118 30236 60472 5359331 10718662 21437324 42874648