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42898290 = 2351429943
BaseRepresentation
bin1010001110100…
…1001101110010
32222201110101120
42203221031302
541440221130
64131243110
71030425621
oct243511562
988643346
1042898290
1122240136
1212449496
138b6cb06
1459a96b8
153b75910
hex28e9372

42898290 has 16 divisors (see below), whose sum is σ = 102955968. Its totient is φ = 11439536.

The previous prime is 42898283. The next prime is 42898309. The reversal of 42898290 is 9289824.

42898290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 7 ways as a sum of consecutive naturals, for example, 714942 + ... + 715001.

It is an arithmetic number, because the mean of its divisors is an integer number (6434748).

Almost surely, 242898290 is an apocalyptic number.

42898290 is an abundant number, since it is smaller than the sum of its proper divisors (60057678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42898290 is a wasteful number, since it uses less digits than its factorization.

42898290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429953.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 42898290 is about 6549.6786180697. The cubic root of 42898290 is about 350.0633626780.

The spelling of 42898290 in words is "forty-two million, eight hundred ninety-eight thousand, two hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 1429943 2859886 4289829 7149715 8579658 14299430 21449145 42898290