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20167629 = 326325561
BaseRepresentation
bin100110011101…
…1101111001101
31101221121210020
41030323233031
520130331004
62000132353
7333264516
oct114735715
941847706
1020167629
1110425269
1269070b9
134241811
14296da0d
151b858d9
hex133bbcd

20167629 has 8 divisors (see below), whose sum is σ = 26993472. Its totient is φ = 13393440.

The previous prime is 20167601. The next prime is 20167643. The reversal of 20167629 is 92676102.

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

It is not a de Polignac number, because 20167629 - 221 = 18070477 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 20167629.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20167669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11992 + ... + 13569.

It is an arithmetic number, because the mean of its divisors is an integer number (3374184).

Almost surely, 220167629 is an apocalyptic number.

It is an amenable number.

20167629 is a deficient number, since it is larger than the sum of its proper divisors (6825843).

20167629 is a wasteful number, since it uses less digits than its factorization.

20167629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25827.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 20167629 is about 4490.8383404438. The cubic root of 20167629 is about 272.1980112733.

The spelling of 20167629 in words is "twenty million, one hundred sixty-seven thousand, six hundred twenty-nine".

Divisors: 1 3 263 789 25561 76683 6722543 20167629