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2380891 = 23611697
BaseRepresentation
bin1001000101010001011011
311110221222011
421011101123
51102142031
6123010351
726144242
oct11052133
94427864
102380891
111386887
129699b7
13654916
1445d959
153206b1
hex24545b

2380891 has 8 divisors (see below), whose sum is σ = 2526624. Its totient is φ = 2238720.

The previous prime is 2380877. The next prime is 2380897. The reversal of 2380891 is 1980832.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2380891 - 29 = 2380379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2380897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 555 + ... + 2251.

It is an arithmetic number, because the mean of its divisors is an integer number (315828).

22380891 is an apocalyptic number.

2380891 is a deficient number, since it is larger than the sum of its proper divisors (145733).

2380891 is a wasteful number, since it uses less digits than its factorization.

2380891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1781.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 2380891 is about 1543.0136097909. The cubic root of 2380891 is about 133.5303040147.

The spelling of 2380891 in words is "two million, three hundred eighty thousand, eight hundred ninety-one".

Divisors: 1 23 61 1403 1697 39031 103517 2380891