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20080238 = 229461751
BaseRepresentation
bin100110010011…
…0011001101110
31101210011220112
41030212121232
520120031423
61554220022
7332451653
oct114463156
941704815
1020080238
1110375642
126884612
134210ac9
142949c2a
151b69a78
hex132666e

20080238 has 16 divisors (see below), whose sum is σ = 31268160. Its totient is φ = 9660000.

The previous prime is 20080231. The next prime is 20080243. The reversal of 20080238 is 83208002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20080231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26363 + ... + 27113.

It is an arithmetic number, because the mean of its divisors is an integer number (1954260).

Almost surely, 220080238 is an apocalyptic number.

20080238 is a deficient number, since it is larger than the sum of its proper divisors (11187922).

20080238 is a wasteful number, since it uses less digits than its factorization.

20080238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 20080238 is about 4481.0978565526. The cubic root of 20080238 is about 271.8042763678.

The spelling of 20080238 in words is "twenty million, eighty thousand, two hundred thirty-eight".

Divisors: 1 2 29 58 461 751 922 1502 13369 21779 26738 43558 346211 692422 10040119 20080238