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15135133 = 133832
BaseRepresentation
bin111001101111…
…000110011101
31001110221111111
4321233012131
512333311013
61300222021
7242434516
oct71570635
931427444
1015135133
1185a8282
12509a911
13319c000
14201da0d
1514de73d
hexe6f19d

15135133 has 12 divisors (see below), whose sum is σ = 16595740. Its totient is φ = 13802568.

The previous prime is 15135121. The next prime is 15135143. The reversal of 15135133 is 33153151.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 558009 + 14577124 = 747^2 + 3818^2 .

It is not a de Polignac number, because 15135133 - 25 = 15135101 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 (15135103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 182310 + ... + 182392.

Almost surely, 215135133 is an apocalyptic number.

15135133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

15135133 is a deficient number, since it is larger than the sum of its proper divisors (1460607).

15135133 is an frugal number, since it uses more digits than its factorization.

15135133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205 (or 96 counting only the distinct ones).

The product of its digits is 675, while the sum is 22.

The square root of 15135133 is about 3890.3898262256. The cubic root of 15135133 is about 247.3595870560.

Adding to 15135133 its reverse (33153151), we get a palindrome (48288284).

The spelling of 15135133 in words is "fifteen million, one hundred thirty-five thousand, one hundred thirty-three".

Divisors: 1 13 83 169 1079 2197 6889 14027 89557 182351 1164241 15135133