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20067051 = 331721101
BaseRepresentation
bin100110010001…
…1001011101011
31101202111211010
41030203023223
520114121201
61554035003
7332365344
oct114431353
941674733
1020067051
1110366744
126878a63
134207ac4
1429450cb
151b65bd6
hex13232eb

20067051 has 8 divisors (see below), whose sum is σ = 26841744. Its totient is φ = 13335200.

The previous prime is 20067049. The next prime is 20067067. The reversal of 20067051 is 15076002.

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 20067051 - 21 = 20067049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20067001) 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, 9600 + ... + 11501.

It is an arithmetic number, because the mean of its divisors is an integer number (3355218).

Almost surely, 220067051 is an apocalyptic number.

20067051 is a deficient number, since it is larger than the sum of its proper divisors (6774693).

20067051 is a wasteful number, since it uses less digits than its factorization.

20067051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21421.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 20067051 is about 4479.6262120851. The cubic root of 20067051 is about 271.7447639939.

The spelling of 20067051 in words is "twenty million, sixty-seven thousand, fifty-one".

Divisors: 1 3 317 951 21101 63303 6689017 20067051