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164956005 = 32519192931
BaseRepresentation
bin10011101010100…
…00011101100101
3102111101122002200
421311100131211
5314212043010
624211325113
74042050204
oct1165203545
9374348080
10164956005
1185127985
12472b0799
1328237506
1417c9d23b
15e735cc0
hex9d50765

164956005 has 24 divisors (see below), whose sum is σ = 300973920. Its totient is φ = 83345760.

The previous prime is 164956003. The next prime is 164956013. The reversal of 164956005 is 500659461.

164956005 is a `hidden beast` number, since 1 + 6 + 49 + 5 + 600 + 5 = 666.

164956005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 164956005 - 21 = 164956003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164956003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95611 + ... + 97320.

It is an arithmetic number, because the mean of its divisors is an integer number (12540580).

Almost surely, 2164956005 is an apocalyptic number.

164956005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164956005 is a deficient number, since it is larger than the sum of its proper divisors (136017915).

164956005 is a wasteful number, since it uses less digits than its factorization.

164956005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192961 (or 192958 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 164956005 is about 12843.5199614436. The cubic root of 164956005 is about 548.4319026141.

It can be divided in two parts, 16495 and 6005, that added together give a square (22500 = 1502).

The spelling of 164956005 in words is "one hundred sixty-four million, nine hundred fifty-six thousand, five".

Divisors: 1 3 5 9 15 19 45 57 95 171 285 855 192931 578793 964655 1736379 2893965 3665689 8681895 10997067 18328445 32991201 54985335 164956005