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42224741 = 136075351
BaseRepresentation
bin1010000100010…
…0110001100101
32221110020110022
42201010301211
541302142431
64105004525
71021622126
oct241046145
987406408
1042224741
1121920089
1212183745
138995370
14587204d
153a9107b
hex2844c65

42224741 has 8 divisors (see below), whose sum is σ = 45556224. Its totient is φ = 38905200.

The previous prime is 42224731. The next prime is 42224761. The reversal of 42224741 is 14742224.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42224741 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42224741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42224701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5216 + ... + 10566.

It is an arithmetic number, because the mean of its divisors is an integer number (5694528).

Almost surely, 242224741 is an apocalyptic number.

It is an amenable number.

42224741 is a deficient number, since it is larger than the sum of its proper divisors (3331483).

42224741 is a wasteful number, since it uses less digits than its factorization.

42224741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5971.

The product of its digits is 3584, while the sum is 26.

The square root of 42224741 is about 6498.0567095094. The cubic root of 42224741 is about 348.2215664151.

Adding to 42224741 its reverse (14742224), we get a palindrome (56966965).

The spelling of 42224741 in words is "forty-two million, two hundred twenty-four thousand, seven hundred forty-one".

Divisors: 1 13 607 5351 7891 69563 3248057 42224741