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42893844 = 2237563907
BaseRepresentation
bin1010001110100…
…0001000010100
32222201020021220
42203220020110
541440100334
64131210340
71030406640
oct243501024
988636256
1042893844
1122237864
12124469b0
138b6aa96
1459a7c20
153b74449
hex28e8214

42893844 has 48 divisors (see below), whose sum is σ = 114713088. Its totient is φ = 12220128.

The previous prime is 42893843. The next prime is 42893867. The reversal of 42893844 is 44839824.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

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

It is a junction number, because it is equal to n+sod(n) for n = 42893796 and 42893805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42893843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46839 + ... + 47745.

It is an arithmetic number, because the mean of its divisors is an integer number (2389856).

Almost surely, 242893844 is an apocalyptic number.

It is an amenable number.

42893844 is an abundant number, since it is smaller than the sum of its proper divisors (71819244).

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

42893844 is a wasteful number, since it uses less digits than its factorization.

42893844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484 (or 1482 counting only the distinct ones).

The product of its digits is 221184, while the sum is 42.

The square root of 42893844 is about 6549.3392033090. The cubic root of 42893844 is about 350.0512686802.

The spelling of 42893844 in words is "forty-two million, eight hundred ninety-three thousand, eight hundred forty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 563 907 1126 1689 1814 2252 2721 3378 3628 3941 5442 6349 6756 7882 10884 11823 12698 15764 19047 23646 25396 38094 47292 76188 510641 1021282 1531923 2042564 3063846 3574487 6127692 7148974 10723461 14297948 21446922 42893844