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42652724 = 2245723333
BaseRepresentation
bin1010001010110…
…1010000110100
32222020222112112
42202231100310
541404341344
64122110152
71025353652
oct242552064
988228475
1042652724
1122092694
121234b358
138ab50ca
145943dd2
153b27c9e
hex28ad434

42652724 has 12 divisors (see below), whose sum is σ = 74808804. Its totient is φ = 21278784.

The previous prime is 42652723. The next prime is 42652763. The reversal of 42652724 is 42725624.

It can be written as a sum of positive squares in 2 ways, for example, as 17472400 + 25180324 = 4180^2 + 5018^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42652723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9839 + ... + 13494.

It is an arithmetic number, because the mean of its divisors is an integer number (6234067).

Almost surely, 242652724 is an apocalyptic number.

It is an amenable number.

42652724 is a deficient number, since it is larger than the sum of its proper divisors (32156080).

42652724 is a wasteful number, since it uses less digits than its factorization.

42652724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23794 (or 23792 counting only the distinct ones).

The product of its digits is 26880, while the sum is 32.

The square root of 42652724 is about 6530.9052971238. The cubic root of 42652724 is about 349.3941191189.

Subtracting 42652724 from its reverse (42725624), we obtain a square (72900 = 2702).

The spelling of 42652724 in words is "forty-two million, six hundred fifty-two thousand, seven hundred twenty-four".

Divisors: 1 2 4 457 914 1828 23333 46666 93332 10663181 21326362 42652724