Search a number
-
+
26406930 = 2351180021
BaseRepresentation
bin110010010111…
…1000000010010
31211200121111110
41210233000102
523230010210
62341554150
7440312064
oct144570022
954617443
1026406930
11139a6a10
128a15956
135617704
143715734
1524b9420
hex192f012

26406930 has 32 divisors (see below), whose sum is σ = 69139008. Its totient is φ = 6401600.

The previous prime is 26406917. The next prime is 26406949. The reversal of 26406930 is 3960462.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39681 + ... + 40340.

It is an arithmetic number, because the mean of its divisors is an integer number (2160594).

Almost surely, 226406930 is an apocalyptic number.

26406930 is an abundant number, since it is smaller than the sum of its proper divisors (42732078).

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

26406930 is a wasteful number, since it uses less digits than its factorization.

26406930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80042.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 26406930 is about 5138.7673619264. The cubic root of 26406930 is about 297.7871624085.

The spelling of 26406930 in words is "twenty-six million, four hundred six thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 80021 160042 240063 400105 480126 800210 880231 1200315 1760462 2400630 2640693 4401155 5281386 8802310 13203465 26406930