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20068051 = 151347383
BaseRepresentation
bin100110010001…
…1011011010011
31101202120012011
41030203123103
520114134201
61554043351
7332401303
oct114433323
941676164
1020068051
1110367473
126879557
1342083b3
142945603
151b66151
hex13236d3

20068051 has 8 divisors (see below), whose sum is σ = 20312064. Its totient is φ = 19825800.

The previous prime is 20068049. The next prime is 20068063. The reversal of 20068051 is 15086002.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20068051 - 21 = 20068049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20068031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52206 + ... + 52588.

It is an arithmetic number, because the mean of its divisors is an integer number (2539008).

Almost surely, 220068051 is an apocalyptic number.

20068051 is a deficient number, since it is larger than the sum of its proper divisors (244013).

20068051 is a wasteful number, since it uses less digits than its factorization.

20068051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 20068051 is about 4479.7378271502. The cubic root of 20068051 is about 271.7492778651.

The spelling of 20068051 in words is "twenty million, sixty-eight thousand, fifty-one".

Divisors: 1 151 347 383 52397 57833 132901 20068051