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13135542 = 2371492099
BaseRepresentation
bin110010000110…
…111010110110
3220201100120120
4302012322312
511330314132
61145312410
7216436020
oct62067266
926640516
1013135542
117461a22
124495706
13294bb14
141a5d010
15124702c
hexc86eb6

13135542 has 32 divisors (see below), whose sum is σ = 30240000. Its totient is φ = 3726048.

The previous prime is 13135541. The next prime is 13135601. The reversal of 13135542 is 24553131.

It is a super-3 number, since 3×131355423 (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13135541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5209 + ... + 7307.

It is an arithmetic number, because the mean of its divisors is an integer number (945000).

Almost surely, 213135542 is an apocalyptic number.

13135542 is an abundant number, since it is smaller than the sum of its proper divisors (17104458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13135542 is a wasteful number, since it uses less digits than its factorization.

13135542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2260.

The product of its digits is 1800, while the sum is 24.

The square root of 13135542 is about 3624.2988287392. The cubic root of 13135542 is about 235.9478363116.

Adding to 13135542 its reverse (24553131), we get a palindrome (37688673).

The spelling of 13135542 in words is "thirteen million, one hundred thirty-five thousand, five hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 149 298 447 894 1043 2086 2099 3129 4198 6258 6297 12594 14693 29386 44079 88158 312751 625502 938253 1876506 2189257 4378514 6567771 13135542