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42828751 = 742114533
BaseRepresentation
bin1010001101100…
…0001111001111
32222120221000001
42203120033033
541431010001
64125545131
71030016110
oct243301717
988527001
1042828751
11221a2969
12124151a7
138b47274
14598c207
153b60001
hex28d83cf

42828751 has 8 divisors (see below), whose sum is σ = 49066784. Its totient is φ = 36620640.

The previous prime is 42828733. The next prime is 42828767. The reversal of 42828751 is 15782824.

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

It is not a de Polignac number, because 42828751 - 27 = 42828623 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42828751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42828781) 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, 4320 + ... + 10213.

It is an arithmetic number, because the mean of its divisors is an integer number (6133348).

Almost surely, 242828751 is an apocalyptic number.

42828751 is a deficient number, since it is larger than the sum of its proper divisors (6238033).

42828751 is a wasteful number, since it uses less digits than its factorization.

42828751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14961.

The product of its digits is 35840, while the sum is 37.

The square root of 42828751 is about 6544.3678839136. The cubic root of 42828751 is about 349.8741071035.

The spelling of 42828751 in words is "forty-two million, eight hundred twenty-eight thousand, seven hundred fifty-one".

Divisors: 1 7 421 2947 14533 101731 6118393 42828751