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42784094 = 223930089
BaseRepresentation
bin1010001100110…
…1010101011110
32222111122202002
42203031111132
541423042334
64125002302
71026441653
oct243152536
988448662
1042784094
1122172361
12123b3392
138b2cb42
145979c2a
153b51b7e
hex28cd55e

42784094 has 8 divisors (see below), whose sum is σ = 66966480. Its totient is φ = 20461936.

The previous prime is 42784069. The next prime is 42784127. The reversal of 42784094 is 49048724.

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

It is a super-3 number, since 3×427840943 (a number of 24 digits) contains 333 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, 464999 + ... + 465090.

It is an arithmetic number, because the mean of its divisors is an integer number (8370810).

Almost surely, 242784094 is an apocalyptic number.

42784094 is a deficient number, since it is larger than the sum of its proper divisors (24182386).

42784094 is a wasteful number, since it uses less digits than its factorization.

42784094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930114.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 42784094 is about 6540.9551290312. The cubic root of 42784094 is about 349.7524617039.

The spelling of 42784094 in words is "forty-two million, seven hundred eighty-four thousand, ninety-four".

Divisors: 1 2 23 46 930089 1860178 21392047 42784094