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505141939 = 2370930977
BaseRepresentation
bin11110000110111…
…101101010110011
31022012111212110201
4132012331222303
52013304020224
6122042540031
715342431011
oct3606755263
91265455421
10505141939
1123a159685
12121207617
1380865673
144b1338b1
152e531a44
hex1e1bdab3

505141939 has 8 divisors (see below), whose sum is σ = 527865120. Its totient is φ = 482482176.

The previous prime is 505141937. The next prime is 505141951. The reversal of 505141939 is 939141505.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 505141939 - 21 = 505141937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 505141898 and 505141907.

It is not an unprimeable number, because it can be changed into a prime (505141933) 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, 819 + ... + 31795.

It is an arithmetic number, because the mean of its divisors is an integer number (65983140).

Almost surely, 2505141939 is an apocalyptic number.

505141939 is a deficient number, since it is larger than the sum of its proper divisors (22723181).

505141939 is a wasteful number, since it uses less digits than its factorization.

505141939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31709.

The product of its (nonzero) digits is 24300, while the sum is 37.

The square root of 505141939 is about 22475.3629336658. The cubic root of 505141939 is about 796.4120253337.

The spelling of 505141939 in words is "five hundred five million, one hundred forty-one thousand, nine hundred thirty-nine".

Divisors: 1 23 709 16307 30977 712471 21962693 505141939