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BaseRepresentation
bin1000101111001001010100
311022100122110
420233021110
51041242020
6121031020
725316100
oct10571124
94270573
102290260
111324785
12925470
136225ab
14438900
153038e0
hex22f254

2290260 has 144 divisors (see below), whose sum is σ = 8043840. Its totient is φ = 483840.

The previous prime is 2290259. The next prime is 2290283. The reversal of 2290260 is 620922.

It is a happy number.

It is a harmonic number, since the harmonic mean of its divisors is an integer.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55840 + ... + 55880.

It is an arithmetic number, because the mean of its divisors is an integer number (55860).

22290260 is an apocalyptic number.

2290260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2290260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4021920).

2290260 is an abundant number, since it is smaller than the sum of its proper divisors (5753580).

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

2290260 is a wasteful number, since it uses less digits than its factorization.

2290260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 2290260 is about 1513.3604990220. The cubic root of 2290260 is about 131.8140172359.

The spelling of 2290260 in words is "two million, two hundred ninety thousand, two hundred sixty".