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938871005 = 51914312281
BaseRepresentation
bin110111111101100…
…000100011011101
32102102122120220012
4313331200203131
53410322333010
6233055133005
732160162152
oct6775404335
92372576805
10938871005
11441a71756
12222514165
1311c686397
148c998229
1557659005
hex37f608dd

938871005 has 16 divisors (see below), whose sum is σ = 1135669248. Its totient is φ = 745104000.

The previous prime is 938870983. The next prime is 938871029. The reversal of 938871005 is 500178839.

It is a happy number.

It is not a de Polignac number, because 938871005 - 220 = 937822429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 410465 + ... + 412745.

It is an arithmetic number, because the mean of its divisors is an integer number (70979328).

Almost surely, 2938871005 is an apocalyptic number.

It is an amenable number.

938871005 is a deficient number, since it is larger than the sum of its proper divisors (196798243).

938871005 is a wasteful number, since it uses less digits than its factorization.

938871005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2908.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 938871005 is about 30641.0020234326. The cubic root of 938871005 is about 979.1937715227.

The spelling of 938871005 in words is "nine hundred thirty-eight million, eight hundred seventy-one thousand, five".

Divisors: 1 5 191 431 955 2155 2281 11405 82321 411605 435671 983111 2178355 4915555 187774201 938871005