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2154968 = 231671613
BaseRepresentation
bin1000001110000111011000
311001111001122
420032013120
51022424333
6114104412
724213464
oct10160730
94044048
102154968
111242072
1287b108
135a5b3a
144014a4
152c8798
hex20e1d8

2154968 has 16 divisors (see below), whose sum is σ = 4067280. Its totient is φ = 1070368.

The previous prime is 2154967. The next prime is 2154973. The reversal of 2154968 is 8694512.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 530 + ... + 2142.

It is an arithmetic number, because the mean of its divisors is an integer number (254205).

22154968 is an apocalyptic number.

It is an amenable number.

2154968 is a deficient number, since it is larger than the sum of its proper divisors (1912312).

2154968 is a wasteful number, since it uses less digits than its factorization.

2154968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1786 (or 1782 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 2154968 is about 1467.9809263066. The cubic root of 2154968 is about 129.1656226531.

The spelling of 2154968 in words is "two million, one hundred fifty-four thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 167 334 668 1336 1613 3226 6452 12904 269371 538742 1077484 2154968