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42874958 = 273062497
BaseRepresentation
bin1010001110001…
…1100001001110
32222200021101102
42203203201032
541433444313
64130543102
71030300610
oct243434116
988607342
1042874958
1122224655
1212437a92
138b622c9
1459a0db0
153b6da58
hex28e384e

42874958 has 8 divisors (see below), whose sum is σ = 73499952. Its totient is φ = 18374976.

The previous prime is 42874957. The next prime is 42874961. The reversal of 42874958 is 85947824.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×428749584 (a number of 32 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42874957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1531235 + ... + 1531262.

It is an arithmetic number, because the mean of its divisors is an integer number (9187494).

Almost surely, 242874958 is an apocalyptic number.

42874958 is a deficient number, since it is larger than the sum of its proper divisors (30624994).

42874958 is a wasteful number, since it uses less digits than its factorization.

42874958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3062506.

The product of its digits is 645120, while the sum is 47.

The square root of 42874958 is about 6547.8972197187. The cubic root of 42874958 is about 349.9998857142. Note that the first 3 decimals are identical.

The spelling of 42874958 in words is "forty-two million, eight hundred seventy-four thousand, nine hundred fifty-eight".

Divisors: 1 2 7 14 3062497 6124994 21437479 42874958