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15014140 = 225750707
BaseRepresentation
bin111001010001…
…100011111100
31001020210112021
4321101203330
512320423030
61253445524
7241422001
oct71214374
931223467
1015014140
118525389
1250408a4
133158c0b
141dcb8a8
1514b897a
hexe518fc

15014140 has 12 divisors (see below), whose sum is σ = 31529736. Its totient is φ = 6005648.

The previous prime is 15014107. The next prime is 15014171. The reversal of 15014140 is 4141051.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 375334 + ... + 375373.

It is an arithmetic number, because the mean of its divisors is an integer number (2627478).

Almost surely, 215014140 is an apocalyptic number.

15014140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15014140 is an abundant number, since it is smaller than the sum of its proper divisors (16515596).

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

15014140 is a wasteful number, since it uses less digits than its factorization.

15014140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750716 (or 750714 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 15014140 is about 3874.8083823591. The cubic root of 15014140 is about 246.6986769593.

Adding to 15014140 its reverse (4141051), we get a palindrome (19155191).

The spelling of 15014140 in words is "fifteen million, fourteen thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 750707 1501414 3002828 3753535 7507070 15014140