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20067623 = 291375051
BaseRepresentation
bin100110010001…
…1010100100111
31101202112121022
41030203110213
520114130443
61554041355
7332400122
oct114432447
941675538
1020067623
1110367114
12687925b
134208144
1429453b9
151b65e68
hex1323527

20067623 has 8 divisors (see below), whose sum is σ = 20915280. Its totient is φ = 19230400.

The previous prime is 20067617. The next prime is 20067643. The reversal of 20067623 is 32676002.

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 20067623 - 28 = 20067367 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20067592 and 20067601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20067613) 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, 1448 + ... + 6498.

It is an arithmetic number, because the mean of its divisors is an integer number (2614410).

Almost surely, 220067623 is an apocalyptic number.

20067623 is a deficient number, since it is larger than the sum of its proper divisors (847657).

20067623 is a wasteful number, since it uses less digits than its factorization.

20067623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5217.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 20067623 is about 4479.6900562427. The cubic root of 20067623 is about 271.7473459465.

The spelling of 20067623 in words is "twenty million, sixty-seven thousand, six hundred twenty-three".

Divisors: 1 29 137 3973 5051 146479 691987 20067623