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20141138 = 229677173
BaseRepresentation
bin100110011010…
…1010001010010
31101220021110002
41030311101102
520124004023
61555410002
7333124343
oct114652122
941807402
1020141138
1110407376
1268b3902
134232744
1429640ca
151b7cb28
hex1335452

20141138 has 32 divisors (see below), whose sum is σ = 32607360. Its totient is φ = 9313920.

The previous prime is 20141111. The next prime is 20141153. The reversal of 20141138 is 83114102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275870 + ... + 275942.

It is an arithmetic number, because the mean of its divisors is an integer number (1018980).

Almost surely, 220141138 is an apocalyptic number.

20141138 is a deficient number, since it is larger than the sum of its proper divisors (12466222).

20141138 is a wasteful number, since it uses less digits than its factorization.

20141138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 20141138 is about 4487.8879219517. The cubic root of 20141138 is about 272.0787780035.

The spelling of 20141138 in words is "twenty million, one hundred forty-one thousand, one hundred thirty-eight".

Divisors: 1 2 29 58 67 71 73 134 142 146 1943 2059 2117 3886 4118 4234 4757 4891 5183 9514 9782 10366 137953 141839 150307 275906 283678 300614 347261 694522 10070569 20141138