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2158260 = 2235132767
BaseRepresentation
bin1000001110111010110100
311001122120120
420032322310
51023031020
6114131540
724226206
oct10167264
94048516
102158260
111244595
12880bb0
135a74a0
14402776
152c9740
hex20eeb4

2158260 has 48 divisors (see below), whose sum is σ = 6510336. Its totient is φ = 531072.

The previous prime is 2158259. The next prime is 2158291. The reversal of 2158260 is 628512.

2158260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2158260.

It is a congruent number.

It is an unprimeable number.

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, 604 + ... + 2163.

It is an arithmetic number, because the mean of its divisors is an integer number (135632).

22158260 is an apocalyptic number.

2158260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2158260 is an abundant number, since it is smaller than the sum of its proper divisors (4352076).

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

2158260 is a wasteful number, since it uses less digits than its factorization.

2158260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2792 (or 2790 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 2158260 is about 1469.1017663865. The cubic root of 2158260 is about 129.2313617407.

The spelling of 2158260 in words is "two million, one hundred fifty-eight thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 2767 5534 8301 11068 13835 16602 27670 33204 35971 41505 55340 71942 83010 107913 143884 166020 179855 215826 359710 431652 539565 719420 1079130 2158260