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290113102 = 2145056551
BaseRepresentation
bin10001010010101…
…100011001001110
3202012220021100201
4101102230121032
51043232104402
644442044114
710121630536
oct2122543116
9665807321
10290113102
111398412a4
12811a963a
1348148876
142a75c4c6
151a709687
hex114ac64e

290113102 has 4 divisors (see below), whose sum is σ = 435169656. Its totient is φ = 145056550.

The previous prime is 290113091. The next prime is 290113121. The reversal of 290113102 is 201311092.

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

It is a super-2 number, since 2×2901131022 = 168331223904124808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 290113102.

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 as a sum of consecutive naturals, namely, 72528274 + ... + 72528277.

It is an arithmetic number, because the mean of its divisors is an integer number (108792414).

Almost surely, 2290113102 is an apocalyptic number.

290113102 is a deficient number, since it is larger than the sum of its proper divisors (145056554).

290113102 is a wasteful number, since it uses less digits than its factorization.

290113102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145056553.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 290113102 is about 17032.7068312702. The cubic root of 290113102 is about 661.9966335173.

Adding to 290113102 its reverse (201311092), we get a palindrome (491424194).

The spelling of 290113102 in words is "two hundred ninety million, one hundred thirteen thousand, one hundred two".

Divisors: 1 2 145056551 290113102