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14985647 = 109137483
BaseRepresentation
bin111001001010…
…100110101111
31001012100102222
4321022212233
512314020042
61253105555
7241242635
oct71124657
931170388
1014985647
118505a36
1250282bb
133148c61
141dc1355
1514b02d2
hexe4a9af

14985647 has 4 divisors (see below), whose sum is σ = 15123240. Its totient is φ = 14848056.

The previous prime is 14985643. The next prime is 14985667. The reversal of 14985647 is 74658941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74658941 = 710665563.

It is a cyclic number.

It is not a de Polignac number, because 14985647 - 22 = 14985643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14985598 and 14985607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14985643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68633 + ... + 68850.

It is an arithmetic number, because the mean of its divisors is an integer number (3780810).

Almost surely, 214985647 is an apocalyptic number.

14985647 is a deficient number, since it is larger than the sum of its proper divisors (137593).

14985647 is a wasteful number, since it uses less digits than its factorization.

14985647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137592.

The product of its digits is 241920, while the sum is 44.

The square root of 14985647 is about 3871.1299384030. The cubic root of 14985647 is about 246.5425211260.

The spelling of 14985647 in words is "fourteen million, nine hundred eighty-five thousand, six hundred forty-seven".

Divisors: 1 109 137483 14985647