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119394021 = 3283140629
BaseRepresentation
bin1110001110111…
…00111011100101
322022122211210210
413013130323211
5221031102041
615503010033
72646555345
oct707347345
9268584723
10119394021
116143854a
1233b99919
131b974166
1411bdcd25
15a736016
hex71dcee5

119394021 has 8 divisors (see below), whose sum is σ = 159755680. Its totient is φ = 79314192.

The previous prime is 119394007. The next prime is 119394029. The reversal of 119394021 is 120493911.

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

It is not a de Polignac number, because 119394021 - 27 = 119393893 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 119394021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (119394029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69466 + ... + 71163.

It is an arithmetic number, because the mean of its divisors is an integer number (19969460).

Almost surely, 2119394021 is an apocalyptic number.

It is an amenable number.

119394021 is a deficient number, since it is larger than the sum of its proper divisors (40361659).

119394021 is a wasteful number, since it uses less digits than its factorization.

119394021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140915.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 119394021 is about 10926.7571127027. The cubic root of 119394021 is about 492.4107507458.

The spelling of 119394021 in words is "one hundred nineteen million, three hundred ninety-four thousand, twenty-one".

Divisors: 1 3 283 849 140629 421887 39798007 119394021