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2172833 = 1332343
BaseRepresentation
bin1000010010011110100001
311002101120022
420102132201
51024012313
6114323225
724316535
oct10223641
94071508
102172833
111254533
12889515
135b1000
14407bc5
152cdc08
hex2127a1

2172833 has 16 divisors (see below), whose sum is σ = 2513280. Its totient is φ = 1873872.

The previous prime is 2172829. The next prime is 2172839. The reversal of 2172833 is 3382712.

It is not a de Polignac number, because 2172833 - 22 = 2172829 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2172839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50510 + ... + 50552.

It is an arithmetic number, because the mean of its divisors is an integer number (157080).

22172833 is an apocalyptic number.

2172833 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2172833 is a deficient number, since it is larger than the sum of its proper divisors (340447).

2172833 is an equidigital number, since it uses as much as digits as its factorization.

2172833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105 (or 79 counting only the distinct ones).

The product of its digits is 2016, while the sum is 26.

The square root of 2172833 is about 1474.0532554830. The cubic root of 2172833 is about 129.5215747957.

The spelling of 2172833 in words is "two million, one hundred seventy-two thousand, eight hundred thirty-three".

Divisors: 1 13 23 43 169 299 559 989 2197 3887 7267 12857 50531 94471 167141 2172833