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42800151 = 314266717
BaseRepresentation
bin1010001101000…
…1010000010111
32222112110202210
42203101100113
541424101101
64125204503
71026536532
oct243212027
988473683
1042800151
1122183429
1212400733
138b37244
145981a19
153b567d6
hex28d1417

42800151 has 4 divisors (see below), whose sum is σ = 57066872. Its totient is φ = 28533432.

The previous prime is 42800137. The next prime is 42800159. The reversal of 42800151 is 15100824.

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

It is not a de Polignac number, because 42800151 - 218 = 42538007 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 (42800159) 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, 7133356 + ... + 7133361.

It is an arithmetic number, because the mean of its divisors is an integer number (14266718).

Almost surely, 242800151 is an apocalyptic number.

42800151 is a deficient number, since it is larger than the sum of its proper divisors (14266721).

42800151 is a wasteful number, since it uses less digits than its factorization.

42800151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14266720.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 42800151 is about 6542.1824340200. The cubic root of 42800151 is about 349.7962106173.

Adding to 42800151 its reverse (15100824), we get a palindrome (57900975).

The spelling of 42800151 in words is "forty-two million, eight hundred thousand, one hundred fifty-one".

Divisors: 1 3 14266717 42800151