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2152670 = 251329571
BaseRepresentation
bin1000001101100011011110
311001100220112
420031203132
51022341140
6114050022
724204002
oct10154336
94040815
102152670
111240373
12879912
135a4a90
14400702
152c7c65
hex20d8de

2152670 has 32 divisors (see below), whose sum is σ = 4324320. Its totient is φ = 766080.

The previous prime is 2152669. The next prime is 2152679. The reversal of 2152670 is 762512.

2152670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3485 + ... + 4055.

It is an arithmetic number, because the mean of its divisors is an integer number (135135).

22152670 is an apocalyptic number.

2152670 is an abundant number, since it is smaller than the sum of its proper divisors (2171650).

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

2152670 is a wasteful number, since it uses less digits than its factorization.

2152670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 2152670 is about 1467.1980098133. The cubic root of 2152670 is about 129.1196934064.

The spelling of 2152670 in words is "two million, one hundred fifty-two thousand, six hundred seventy".

Divisors: 1 2 5 10 13 26 29 58 65 130 145 290 377 571 754 1142 1885 2855 3770 5710 7423 14846 16559 33118 37115 74230 82795 165590 215267 430534 1076335 2152670