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14378408 = 23111091499
BaseRepresentation
bin110110110110…
…010110101000
31000001111110122
4312312112220
512140102113
61232102412
7233133362
oct66662650
930044418
1014378408
118130790
124994a08
132c95745
141ca3d32
1513e0408
hexdb65a8

14378408 has 32 divisors (see below), whose sum is σ = 29700000. Its totient is φ = 6471360.

The previous prime is 14378387. The next prime is 14378411. The reversal of 14378408 is 80487341.

It is a happy number.

It is a super-2 number, since 2×143784082 = 413477233228928, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 8843 + ... + 10341.

It is an arithmetic number, because the mean of its divisors is an integer number (928125).

Almost surely, 214378408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14378408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14850000).

14378408 is an abundant number, since it is smaller than the sum of its proper divisors (15321592).

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

14378408 is a wasteful number, since it uses less digits than its factorization.

14378408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625 (or 1621 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 14378408 is about 3791.8871291219. The cubic root of 14378408 is about 243.1664200087.

The spelling of 14378408 in words is "fourteen million, three hundred seventy-eight thousand, four hundred eight".

Divisors: 1 2 4 8 11 22 44 88 109 218 436 872 1199 1499 2398 2998 4796 5996 9592 11992 16489 32978 65956 131912 163391 326782 653564 1307128 1797301 3594602 7189204 14378408