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13242510 = 2325147139
BaseRepresentation
bin110010100001…
…000010001110
3220220210022100
4302201002032
511342230020
61151455530
7220362621
oct62410216
926823270
1013242510
117525326
1245275a6
132988708
141a89db8
151268a90
hexca108e

13242510 has 24 divisors (see below), whose sum is σ = 34430760. Its totient is φ = 3531312.

The previous prime is 13242497. The next prime is 13242511. The reversal of 13242510 is 1524231.

It is a super-2 number, since 2×132425102 = 350728142200200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13242511) 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, 73480 + ... + 73659.

It is an arithmetic number, because the mean of its divisors is an integer number (1434615).

Almost surely, 213242510 is an apocalyptic number.

13242510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13242510 is an abundant number, since it is smaller than the sum of its proper divisors (21188250).

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

13242510 is a wasteful number, since it uses less digits than its factorization.

13242510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147152 (or 147149 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 13242510 is about 3639.0259685801. The cubic root of 13242510 is about 236.5865782924.

Adding to 13242510 its reverse (1524231), we get a palindrome (14766741).

The spelling of 13242510 in words is "thirteen million, two hundred forty-two thousand, five hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 147139 294278 441417 735695 882834 1324251 1471390 2207085 2648502 4414170 6621255 13242510