Search a number
-
+
5142085 = 513239331
BaseRepresentation
bin10011100111011001000101
3100200020121121
4103213121011
52304021320
6302113541
761464334
oct23473105
910606547
105142085
1129a2363
12187b8b1
1310b0670
1497bd1b
156b88aa
hex4e7645

5142085 has 16 divisors (see below), whose sum is σ = 6693120. Its totient is φ = 3769920.

The previous prime is 5142083. The next prime is 5142089. The reversal of 5142085 is 5802415.

It is not a de Polignac number, because 5142085 - 21 = 5142083 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5142083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15370 + ... + 15700.

It is an arithmetic number, because the mean of its divisors is an integer number (418320).

Almost surely, 25142085 is an apocalyptic number.

It is an amenable number.

5142085 is a deficient number, since it is larger than the sum of its proper divisors (1551035).

5142085 is a wasteful number, since it uses less digits than its factorization.

5142085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 5142085 is about 2267.6165901669. The cubic root of 5142085 is about 172.6022358321.

The spelling of 5142085 in words is "five million, one hundred forty-two thousand, eighty-five".

Divisors: 1 5 13 65 239 331 1195 1655 3107 4303 15535 21515 79109 395545 1028417 5142085