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14728870 = 2513137827
BaseRepresentation
bin111000001011…
…111010100110
31000201022012201
4320023322212
512232310440
61243405114
7236123212
oct70137246
930638181
1014728870
118350022
124b2379a
133089110
141d55942
15145e19a
hexe0bea6

14728870 has 32 divisors (see below), whose sum is σ = 28794528. Its totient is φ = 5392128.

The previous prime is 14728867. The next prime is 14728873. The reversal of 14728870 is 7882741.

It is an interprime number because it is at equal distance from previous prime (14728867) and next prime (14728873).

It is a super-2 number, since 2×147288702 = 433879222953800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14728873) 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, 17397 + ... + 18223.

It is an arithmetic number, because the mean of its divisors is an integer number (899829).

Almost surely, 214728870 is an apocalyptic number.

14728870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14728870 is a deficient number, since it is larger than the sum of its proper divisors (14065658).

14728870 is a wasteful number, since it uses less digits than its factorization.

14728870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984.

The product of its (nonzero) digits is 25088, while the sum is 37.

The square root of 14728870 is about 3837.8209963468. The cubic root of 14728870 is about 245.1262434208.

The spelling of 14728870 in words is "fourteen million, seven hundred twenty-eight thousand, eight hundred seventy".

Divisors: 1 2 5 10 13 26 65 130 137 274 685 827 1370 1654 1781 3562 4135 8270 8905 10751 17810 21502 53755 107510 113299 226598 566495 1132990 1472887 2945774 7364435 14728870