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2210142 = 231133487
BaseRepresentation
bin1000011011100101011110
311011021202010
420123211132
51031211032
6115212050
724533364
oct10334536
94137663
102210142
11127a570
128a7026
135c4c9c
14417634
152d9ccc
hex21b95e

2210142 has 16 divisors (see below), whose sum is σ = 4822272. Its totient is φ = 669720.

The previous prime is 2210141. The next prime is 2210147. The reversal of 2210142 is 2410122.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210141) 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, 16678 + ... + 16809.

It is an arithmetic number, because the mean of its divisors is an integer number (301392).

22210142 is an apocalyptic number.

2210142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2210142 is an abundant number, since it is smaller than the sum of its proper divisors (2612130).

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

2210142 is a wasteful number, since it uses less digits than its factorization.

2210142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33503.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2210142 is about 1486.6546337331. The cubic root of 2210142 is about 130.2586959072.

Adding to 2210142 its reverse (2410122), we get a palindrome (4620264).

The spelling of 2210142 in words is "two million, two hundred ten thousand, one hundred forty-two".

Divisors: 1 2 3 6 11 22 33 66 33487 66974 100461 200922 368357 736714 1105071 2210142