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15140325 = 3522367131
BaseRepresentation
bin111001110000…
…010111100101
31001111012121210
4321300113211
512333442300
61300302033
7242455614
oct71602745
931435553
1015140325
118601172
1250a1919
1331a1495
14202187b
1514e1050
hexe705e5

15140325 has 48 divisors (see below), whose sum is σ = 26712576. Its totient is φ = 7550400.

The previous prime is 15140303. The next prime is 15140329. The reversal of 15140325 is 52304151.

It is not a de Polignac number, because 15140325 - 210 = 15139301 is a prime.

It is a super-2 number, since 2×151403252 = 458458882211250, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15140329) 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 47 ways as a sum of consecutive naturals, for example, 115510 + ... + 115640.

It is an arithmetic number, because the mean of its divisors is an integer number (556512).

Almost surely, 215140325 is an apocalyptic number.

15140325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15140325 is a deficient number, since it is larger than the sum of its proper divisors (11572251).

15140325 is a wasteful number, since it uses less digits than its factorization.

15140325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 15140325 is about 3891.0570543234. The cubic root of 15140325 is about 247.3878688061.

Adding to 15140325 its reverse (52304151), we get a palindrome (67444476).

The spelling of 15140325 in words is "fifteen million, one hundred forty thousand, three hundred twenty-five".

Divisors: 1 3 5 15 23 25 67 69 75 115 131 201 335 345 393 575 655 1005 1541 1675 1725 1965 3013 3275 4623 5025 7705 8777 9039 9825 15065 23115 26331 38525 43885 45195 75325 115575 131655 201871 219425 225975 605613 658275 1009355 3028065 5046775 15140325