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20364030 = 2325226267
BaseRepresentation
bin100110110101…
…1101011111110
31102022121012100
41031223223332
520203122110
62004245530
7335043231
oct115535376
942277170
1020364030
1110549885
1269a08a6
1342b002b
1429c1418
151bc3bc0
hex136bafe

20364030 has 24 divisors (see below), whose sum is σ = 52946712. Its totient is φ = 5430384.

The previous prime is 20364017. The next prime is 20364037. The reversal of 20364030 is 3046302.

20364030 is a `hidden beast` number, since 20 + 3 + 640 + 3 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20363994 and 20364012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20364037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113044 + ... + 113223.

It is an arithmetic number, because the mean of its divisors is an integer number (2206113).

Almost surely, 220364030 is an apocalyptic number.

20364030 is an abundant number, since it is smaller than the sum of its proper divisors (32582682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20364030 is a wasteful number, since it uses less digits than its factorization.

20364030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226280 (or 226277 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 20364030 is about 4512.6522134993. The cubic root of 20364030 is about 273.0787519855.

The spelling of 20364030 in words is "twenty million, three hundred sixty-four thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 226267 452534 678801 1131335 1357602 2036403 2262670 3394005 4072806 6788010 10182015 20364030