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2290926 = 2311103337
BaseRepresentation
bin1000101111010011101110
311022101120010
420233103232
51041302201
6121034050
725321041
oct10572356
94271503
102290926
111325230
12925926
136229a1
14438c58
15303bd6
hex22f4ee

2290926 has 32 divisors (see below), whose sum is σ = 5061888. Its totient is φ = 685440.

The previous prime is 2290907. The next prime is 2290927. The reversal of 2290926 is 6290922.

It is a junction number, because it is equal to n+sod(n) for n = 2290893 and 2290902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2290927) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6630 + ... + 6966.

It is an arithmetic number, because the mean of its divisors is an integer number (158184).

22290926 is an apocalyptic number.

2290926 is the 1236-th pentagonal number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2290926, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2530944).

2290926 is an abundant number, since it is smaller than the sum of its proper divisors (2770962).

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

2290926 is a wasteful number, since it uses less digits than its factorization.

2290926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 2290926 is about 1513.5805231305. The cubic root of 2290926 is about 131.8267930237.

The spelling of 2290926 in words is "two million, two hundred ninety thousand, nine hundred twenty-six".

Divisors: 1 2 3 6 11 22 33 66 103 206 309 337 618 674 1011 1133 2022 2266 3399 3707 6798 7414 11121 22242 34711 69422 104133 208266 381821 763642 1145463 2290926