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20653068 = 2233159941
BaseRepresentation
bin100111011001…
…0010000001100
31102212021200110
41032302100030
520241344233
62014400020
7340356012
oct116622014
942767613
1020653068
1110726a57
126b00010
134381767
142a588b2
151c2e663
hex13b240c

20653068 has 48 divisors (see below), whose sum is σ = 50641920. Its totient is φ = 6542400.

The previous prime is 20653063. The next prime is 20653081. The reversal of 20653068 is 86035602.

It is not an unprimeable number, because it can be changed into a prime (20653063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21478 + ... + 22418.

It is an arithmetic number, because the mean of its divisors is an integer number (1055040).

Almost surely, 220653068 is an apocalyptic number.

It is an amenable number.

20653068 is an abundant number, since it is smaller than the sum of its proper divisors (29988852).

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

20653068 is a wasteful number, since it uses less digits than its factorization.

20653068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038 (or 1036 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 20653068 is about 4544.5646656198. The cubic root of 20653068 is about 274.3646732933.

The spelling of 20653068 in words is "twenty million, six hundred fifty-three thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 31 59 62 93 118 124 177 186 236 354 372 708 941 1829 1882 2823 3658 3764 5487 5646 7316 10974 11292 21948 29171 55519 58342 87513 111038 116684 166557 175026 222076 333114 350052 666228 1721089 3442178 5163267 6884356 10326534 20653068