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939049144 = 231130734759
BaseRepresentation
bin110111111110001…
…100000010111000
32102102222122020221
4313332030002320
53410344033034
6233103025424
732161533415
oct6776140270
92372878227
10939049144
11442083580
1222259b274
1311c7194a7
148ca0310c
1557691bb4
hex37f8c0b8

939049144 has 32 divisors (see below), whose sum is σ = 1927094400. Its totient is φ = 425437920.

The previous prime is 939049121. The next prime is 939049147. The reversal of 939049144 is 441940939.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 939049144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (939049147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9637 + ... + 44395.

It is an arithmetic number, because the mean of its divisors is an integer number (60221700).

Almost surely, 2939049144 is an apocalyptic number.

It is an amenable number.

939049144 is an abundant number, since it is smaller than the sum of its proper divisors (988045256).

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

939049144 is a wasteful number, since it uses less digits than its factorization.

939049144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35083 (or 35079 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 939049144 is about 30643.9087585119. The cubic root of 939049144 is about 979.2556975194.

The spelling of 939049144 in words is "nine hundred thirty-nine million, forty-nine thousand, one hundred forty-four".

Divisors: 1 2 4 8 11 22 44 88 307 614 1228 2456 3377 6754 13508 27016 34759 69518 139036 278072 382349 764698 1529396 3058792 10671013 21342026 42684052 85368104 117381143 234762286 469524572 939049144