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52141285 = 571489751
BaseRepresentation
bin1100011011100…
…1110011100101
310122010001101201
43012321303211
5101322010120
65101322501
71202123260
oct306716345
9118101351
1052141285
1127483579
1215566431
13aa57c41
146cd3cd7
15489e40a
hex31b9ce5

52141285 has 8 divisors (see below), whose sum is σ = 71508096. Its totient is φ = 35754000.

The previous prime is 52141279. The next prime is 52141289. The reversal of 52141285 is 58214125.

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

It is not a de Polignac number, because 52141285 - 27 = 52141157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52141289) 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, 744841 + ... + 744910.

It is an arithmetic number, because the mean of its divisors is an integer number (8938512).

Almost surely, 252141285 is an apocalyptic number.

It is an amenable number.

52141285 is a deficient number, since it is larger than the sum of its proper divisors (19366811).

52141285 is a wasteful number, since it uses less digits than its factorization.

52141285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489763.

The product of its digits is 3200, while the sum is 28.

The square root of 52141285 is about 7220.8922578861. The cubic root of 52141285 is about 373.5888534725.

The spelling of 52141285 in words is "fifty-two million, one hundred forty-one thousand, two hundred eighty-five".

Divisors: 1 5 7 35 1489751 7448755 10428257 52141285