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42052351 = 113822941
BaseRepresentation
bin1010000001101…
…0101011111111
32221010110222111
42200122223333
541231133401
64101154451
71020303415
oct240325377
987113874
1042052351
1121812610
12120bba27
138934a63
1458292b5
153a59e51
hex281aaff

42052351 has 4 divisors (see below), whose sum is σ = 45875304. Its totient is φ = 38229400.

The previous prime is 42052343. The next prime is 42052369. The reversal of 42052351 is 15325024.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 42052351 - 23 = 42052343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42052051) 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, 1911460 + ... + 1911481.

It is an arithmetic number, because the mean of its divisors is an integer number (11468826).

Almost surely, 242052351 is an apocalyptic number.

42052351 is a deficient number, since it is larger than the sum of its proper divisors (3822953).

42052351 is a wasteful number, since it uses less digits than its factorization.

42052351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3822952.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 42052351 is about 6484.7784079335. The cubic root of 42052351 is about 347.7470279141.

Adding to 42052351 its reverse (15325024), we get a palindrome (57377375).

It can be divided in two parts, 4205 and 2351, that added together give a palindrome (6556).

The spelling of 42052351 in words is "forty-two million, fifty-two thousand, three hundred fifty-one".

Divisors: 1 11 3822941 42052351