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42837774 = 2374721701
BaseRepresentation
bin1010001101101…
…0011100001110
32222121101101020
42203122130032
541431302044
64130055010
71030054320
oct243323416
988541336
1042837774
11221a9721
121241a466
138b4b3c5
145991610
153b62a19
hex28da70e

42837774 has 32 divisors (see below), whose sum is σ = 100002816. Its totient is φ = 11978400.

The previous prime is 42837757. The next prime is 42837869. The reversal of 42837774 is 47773824.

42837774 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8877 + ... + 12824.

It is an arithmetic number, because the mean of its divisors is an integer number (3125088).

Almost surely, 242837774 is an apocalyptic number.

42837774 is an abundant number, since it is smaller than the sum of its proper divisors (57165042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42837774 is a wasteful number, since it uses less digits than its factorization.

42837774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21760.

The product of its digits is 263424, while the sum is 42.

The square root of 42837774 is about 6545.0572190012. The cubic root of 42837774 is about 349.8986754314.

The spelling of 42837774 in words is "forty-two million, eight hundred thirty-seven thousand, seven hundred seventy-four".

Divisors: 1 2 3 6 7 14 21 42 47 94 141 282 329 658 987 1974 21701 43402 65103 130206 151907 303814 455721 911442 1019947 2039894 3059841 6119682 7139629 14279258 21418887 42837774