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2124430 = 257113189
BaseRepresentation
bin1000000110101010001110
310222221011121
420012222032
51020440210
6113311154
724025450
oct10065216
93887147
102124430
111221130
128654ba
13594c79
143d42d0
152be6da
hex206a8e

2124430 has 64 divisors (see below), whose sum is σ = 4976640. Its totient is φ = 633600.

The previous prime is 2124403. The next prime is 2124431. The reversal of 2124430 is 344212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23826 + ... + 23914.

It is an arithmetic number, because the mean of its divisors is an integer number (77760).

22124430 is an apocalyptic number.

2124430 is an abundant number, since it is smaller than the sum of its proper divisors (2852210).

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

2124430 is a wasteful number, since it uses less digits than its factorization.

2124430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2124430 is about 1457.5424522119. The cubic root of 2124430 is about 128.5525833637.

Adding to 2124430 its reverse (344212), we get a palindrome (2468642).

The spelling of 2124430 in words is "two million, one hundred twenty-four thousand, four hundred thirty".

Divisors: 1 2 5 7 10 11 14 22 31 35 55 62 70 77 89 110 154 155 178 217 310 341 385 434 445 623 682 770 890 979 1085 1246 1705 1958 2170 2387 2759 3115 3410 4774 4895 5518 6230 6853 9790 11935 13706 13795 19313 23870 27590 30349 34265 38626 60698 68530 96565 151745 193130 212443 303490 424886 1062215 2124430