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42152143 = 119534021
BaseRepresentation
bin1010000011001…
…1000011001111
32221022112212111
42200303003033
541242332033
64103244451
71021200355
oct240630317
987275774
1042152143
1121880590
1212149727
13896b2c7
1458537d5
153a797cd
hex28330cf

42152143 has 8 divisors (see below), whose sum is σ = 46043856. Its totient is φ = 38270400.

The previous prime is 42152111. The next prime is 42152147. The reversal of 42152143 is 34125124.

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

It is a cyclic number.

It is not a de Polignac number, because 42152143 - 25 = 42152111 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 (42152147) 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, 8473 + ... + 12493.

It is an arithmetic number, because the mean of its divisors is an integer number (5755482).

Almost surely, 242152143 is an apocalyptic number.

42152143 is a deficient number, since it is larger than the sum of its proper divisors (3891713).

42152143 is a wasteful number, since it uses less digits than its factorization.

42152143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4985.

The product of its digits is 960, while the sum is 22.

The square root of 42152143 is about 6492.4681747391. The cubic root of 42152143 is about 348.0218833951.

Adding to 42152143 its reverse (34125124), we get a palindrome (76277267).

The spelling of 42152143 in words is "forty-two million, one hundred fifty-two thousand, one hundred forty-three".

Divisors: 1 11 953 4021 10483 44231 3832013 42152143