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20076029 = 53378793
BaseRepresentation
bin100110010010…
…1010111111101
31101202222010122
41030211113331
520114413104
61554144325
7332433461
oct114452775
941688118
1020076029
1110372466
1268820a5
13420bc0c
1429484a1
151b686be
hex13255fd

20076029 has 4 divisors (see below), whose sum is σ = 20454876. Its totient is φ = 19697184.

The previous prime is 20076013. The next prime is 20076041. The reversal of 20076029 is 92067002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12264004 + 7812025 = 3502^2 + 2795^2 .

It is a cyclic number.

It is not a de Polignac number, because 20076029 - 24 = 20076013 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20075989 and 20076007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20076059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189344 + ... + 189449.

It is an arithmetic number, because the mean of its divisors is an integer number (5113719).

Almost surely, 220076029 is an apocalyptic number.

It is an amenable number.

20076029 is a deficient number, since it is larger than the sum of its proper divisors (378847).

20076029 is an equidigital number, since it uses as much as digits as its factorization.

20076029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378846.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 20076029 is about 4480.6281925641. The cubic root of 20076029 is about 271.7852841603.

The spelling of 20076029 in words is "twenty million, seventy-six thousand, twenty-nine".

Divisors: 1 53 378793 20076029