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42551150 = 25223163227
BaseRepresentation
bin1010001001010…
…0011101101110
32222001211012112
42202110131232
541343114100
64120004022
71024451555
oct242243556
988054175
1042551150
1122023344
1212300612
138a7aac5
145918d9c
153b07b35
hex289476e

42551150 has 48 divisors (see below), whose sum is σ = 83458944. Its totient is φ = 16109280.

The previous prime is 42551143. The next prime is 42551161. The reversal of 42551150 is 5115524.

It is a happy number.

42551150 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×425511503 (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 187337 + ... + 187563.

It is an arithmetic number, because the mean of its divisors is an integer number (1738728).

Almost surely, 242551150 is an apocalyptic number.

42551150 is a deficient number, since it is larger than the sum of its proper divisors (40907794).

42551150 is a wasteful number, since it uses less digits than its factorization.

42551150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 42551150 is about 6523.1242514611. The cubic root of 42551150 is about 349.1165474194.

Adding to 42551150 its reverse (5115524), we get a palindrome (47666674).

The spelling of 42551150 in words is "forty-two million, five hundred fifty-one thousand, one hundred fifty".

Divisors: 1 2 5 10 23 25 46 50 115 163 227 230 326 454 575 815 1135 1150 1630 2270 3749 4075 5221 5675 7498 8150 10442 11350 18745 26105 37001 37490 52210 74002 93725 130525 185005 187450 261050 370010 851023 925025 1702046 1850050 4255115 8510230 21275575 42551150