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2078923 = 73111929
BaseRepresentation
bin111111011100011001011
310220121202011
413323203023
51013011143
6112320351
723446000
oct7734313
93817664
102078923
11119aa20
128430b7
1357a342
143c18a7
152b0e9d
hex1fb8cb

2078923 has 32 divisors (see below), whose sum is σ = 2880000. Its totient is φ = 1481760.

The previous prime is 2078917. The next prime is 2078927. The reversal of 2078923 is 3298702.

It is not a de Polignac number, because 2078923 - 217 = 1947851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2078927) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71673 + ... + 71701.

It is an arithmetic number, because the mean of its divisors is an integer number (90000).

22078923 is an apocalyptic number.

2078923 is a deficient number, since it is larger than the sum of its proper divisors (801077).

2078923 is a wasteful number, since it uses less digits than its factorization.

2078923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 2078923 is about 1441.8470792702. The cubic root of 2078923 is about 127.6280502596.

The spelling of 2078923 in words is "two million, seventy-eight thousand, nine hundred twenty-three".

Divisors: 1 7 11 19 29 49 77 133 203 209 319 343 539 551 931 1421 1463 2233 3773 3857 6061 6517 9947 10241 15631 26999 42427 71687 109417 188993 296989 2078923