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14909686 = 2114091657
BaseRepresentation
bin111000111000…
…000011110110
31001001111020121
4320320003312
512304102221
61251322154
7240505321
oct70700366
931044217
1014909686
118463960
124bb035a
1331204cc
141da17b8
151497a41
hexe380f6

14909686 has 16 divisors (see below), whose sum is σ = 24472080. Its totient is φ = 6756480.

The previous prime is 14909647. The next prime is 14909689. The reversal of 14909686 is 68690941.

14909686 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14909689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8170 + ... + 9826.

It is an arithmetic number, because the mean of its divisors is an integer number (1529505).

Almost surely, 214909686 is an apocalyptic number.

14909686 is a deficient number, since it is larger than the sum of its proper divisors (9562394).

14909686 is a wasteful number, since it uses less digits than its factorization.

14909686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2079.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 14909686 is about 3861.3062556601. The cubic root of 14909686 is about 246.1252474337.

The spelling of 14909686 in words is "fourteen million, nine hundred nine thousand, six hundred eighty-six".

Divisors: 1 2 11 22 409 818 1657 3314 4499 8998 18227 36454 677713 1355426 7454843 14909686