Search a number
-
+
21467106 = 23544171
BaseRepresentation
bin101000111100…
…0111111100010
31111101122100000
41101320333202
520443421411
62044040430
7350316213
oct121707742
944348300
1021467106
1111132611
127233116
1345a813b
142bcb40a
151d40956
hex1478fe2

21467106 has 24 divisors (see below), whose sum is σ = 48235824. Its totient is φ = 7155540.

The previous prime is 21467087. The next prime is 21467111. The reversal of 21467106 is 60176412.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 21467106.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21600 + ... + 22571.

It is an arithmetic number, because the mean of its divisors is an integer number (2009826).

Almost surely, 221467106 is an apocalyptic number.

21467106 is an abundant number, since it is smaller than the sum of its proper divisors (26768718).

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

21467106 is an equidigital number, since it uses as much as digits as its factorization.

21467106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44188 (or 44176 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 21467106 is about 4633.2608387614. The cubic root of 21467106 is about 277.9230071623.

The spelling of 21467106 in words is "twenty-one million, four hundred sixty-seven thousand, one hundred six".

Divisors: 1 2 3 6 9 18 27 54 81 162 243 486 44171 88342 132513 265026 397539 795078 1192617 2385234 3577851 7155702 10733553 21467106