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20067141 = 36689047
BaseRepresentation
bin100110010001…
…1001101000101
31101202111221110
41030203031011
520114122031
61554035233
7332365533
oct114431505
941674843
1020067141
1110366816
126878b19
134207b63
142945153
151b65c46
hex1323345

20067141 has 4 divisors (see below), whose sum is σ = 26756192. Its totient is φ = 13378092.

The previous prime is 20067121. The next prime is 20067149. The reversal of 20067141 is 14176002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 20067141 - 26 = 20067077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20067149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3344521 + ... + 3344526.

It is an arithmetic number, because the mean of its divisors is an integer number (6689048).

Almost surely, 220067141 is an apocalyptic number.

It is an amenable number.

20067141 is a deficient number, since it is larger than the sum of its proper divisors (6689051).

20067141 is an equidigital number, since it uses as much as digits as its factorization.

20067141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6689050.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 20067141 is about 4479.6362575548. The cubic root of 20067141 is about 271.7451702484.

The spelling of 20067141 in words is "twenty million, sixty-seven thousand, one hundred forty-one".

Divisors: 1 3 6689047 20067141