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508142141 = 1379494783
BaseRepresentation
bin11110010010011…
…010001000111101
31022102011021222022
4132102122020331
52020041022031
6122231125525
715410064653
oct3622321075
91272137868
10508142141
11240918791
121222138a5
1381376130
144b6b4dd3
152e92597b
hex1e49a23d

508142141 has 8 divisors (see below), whose sum is σ = 554158080. Its totient is φ = 463115952.

The previous prime is 508142119. The next prime is 508142149. The reversal of 508142141 is 141241805.

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

It is not a de Polignac number, because 508142141 - 26 = 508142077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 508142141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (508142149) 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, 246365 + ... + 248418.

It is an arithmetic number, because the mean of its divisors is an integer number (69269760).

Almost surely, 2508142141 is an apocalyptic number.

It is an amenable number.

508142141 is a deficient number, since it is larger than the sum of its proper divisors (46015939).

508142141 is a wasteful number, since it uses less digits than its factorization.

508142141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494875.

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 508142141 is about 22542.0083621668. The cubic root of 508142141 is about 797.9856305895.

Adding to 508142141 its reverse (141241805), we get a palindrome (649383946).

The spelling of 508142141 in words is "five hundred eight million, one hundred forty-two thousand, one hundred forty-one".

Divisors: 1 13 79 1027 494783 6432179 39087857 508142141