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290947092 = 22396725073
BaseRepresentation
bin10001010101111…
…000000000010100
3202021110122101020
4101111320000110
51043440301332
644512001140
710132003152
oct2125700024
9667418336
10290947092
1113a260947
12815301b0
134837b357
142a8d83d2
151a82182c
hex11578014

290947092 has 24 divisors (see below), whose sum is σ = 679605696. Its totient is φ = 96878208.

The previous prime is 290947091. The next prime is 290947109. The reversal of 290947092 is 290749092.

290947092 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290947091) 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, 933 + ... + 24140.

It is an arithmetic number, because the mean of its divisors is an integer number (28316904).

Almost surely, 2290947092 is an apocalyptic number.

It is an amenable number.

290947092 is an abundant number, since it is smaller than the sum of its proper divisors (388658604).

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

290947092 is a wasteful number, since it uses less digits than its factorization.

290947092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26047 (or 26045 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 290947092 is about 17057.1712777940. The cubic root of 290947092 is about 662.6303752907.

The spelling of 290947092 in words is "two hundred ninety million, nine hundred forty-seven thousand, ninety-two".

Divisors: 1 2 3 4 6 12 967 1934 2901 3868 5802 11604 25073 50146 75219 100292 150438 300876 24245591 48491182 72736773 96982364 145473546 290947092