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2122630 = 25233911
BaseRepresentation
bin1000000110001110000110
310222211200221
420012032012
51020411010
6113254554
724020266
oct10061606
93884627
102122630
11121a844
1286445a
135941c3
143d37a6
152bddda
hex206386

2122630 has 16 divisors (see below), whose sum is σ = 3841344. Its totient is φ = 844480.

The previous prime is 2122619. The next prime is 2122633. The reversal of 2122630 is 362212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122633) 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, 1875 + ... + 2785.

It is an arithmetic number, because the mean of its divisors is an integer number (240084).

22122630 is an apocalyptic number.

2122630 is a deficient number, since it is larger than the sum of its proper divisors (1718714).

2122630 is a wasteful number, since it uses less digits than its factorization.

2122630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2122630 is about 1456.9248436347. The cubic root of 2122630 is about 128.5162661660.

Adding to 2122630 its reverse (362212), we get a palindrome (2484842).

The spelling of 2122630 in words is "two million, one hundred twenty-two thousand, six hundred thirty".

Divisors: 1 2 5 10 233 466 911 1165 1822 2330 4555 9110 212263 424526 1061315 2122630