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42443354 = 253400409
BaseRepresentation
bin1010000111101…
…0001001011010
32221212100100002
42201322021122
541331141404
64113413002
71023522362
oct241721132
987770302
1042443354
1121a5a358
121226a162
138a40a15
1458cb9a2
153ad5c1e
hex287a25a

42443354 has 8 divisors (see below), whose sum is σ = 64866420. Its totient is φ = 20821216.

The previous prime is 42443351. The next prime is 42443377. The reversal of 42443354 is 45334424.

It can be written as a sum of positive squares in 2 ways, for example, as 42055225 + 388129 = 6485^2 + 623^2 .

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

It is not an unprimeable number, because it can be changed into a prime (42443351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200099 + ... + 200310.

Almost surely, 242443354 is an apocalyptic number.

42443354 is a deficient number, since it is larger than the sum of its proper divisors (22423066).

42443354 is a wasteful number, since it uses less digits than its factorization.

42443354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400464.

The product of its digits is 23040, while the sum is 29.

The square root of 42443354 is about 6514.8564067061. The cubic root of 42443354 is about 348.8214892650.

Adding to 42443354 its reverse (45334424), we get a palindrome (87777778).

The spelling of 42443354 in words is "forty-two million, four hundred forty-three thousand, three hundred fifty-four".

Divisors: 1 2 53 106 400409 800818 21221677 42443354