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42842774 = 2138319853
BaseRepresentation
bin1010001101101…
…1101010010110
32222121122020102
42203123222112
541431432044
64130134102
71030105022
oct243335226
988548212
1042842774
1122202457
1212421332
138b50770
145993382
153b6424e
hex28dba96

42842774 has 16 divisors (see below), whose sum is σ = 70044912. Its totient is φ = 19534368.

The previous prime is 42842729. The next prime is 42842797. The reversal of 42842774 is 47724824.

It is a Curzon number.

It is a congruent number.

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, 7769 + ... + 12084.

It is an arithmetic number, because the mean of its divisors is an integer number (4377807).

Almost surely, 242842774 is an apocalyptic number.

42842774 is a deficient number, since it is larger than the sum of its proper divisors (27202138).

42842774 is a wasteful number, since it uses less digits than its factorization.

42842774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19951.

The product of its digits is 100352, while the sum is 38.

The square root of 42842774 is about 6545.4391754870. The cubic root of 42842774 is about 349.9122882249.

The spelling of 42842774 in words is "forty-two million, eight hundred forty-two thousand, seven hundred seventy-four".

Divisors: 1 2 13 26 83 166 1079 2158 19853 39706 258089 516178 1647799 3295598 21421387 42842774