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14393407 = 721737467
BaseRepresentation
bin110110111010…
…000000111111
31000002021001011
4312322000333
512141042112
61232300051
7233225200
oct66720077
930067034
1014393407
118140a86
1249a1627
132c9c512
141ca95a7
1513e4aa7
hexdba03f

14393407 has 24 divisors (see below), whose sum is σ = 18246384. Its totient is φ = 11273472.

The previous prime is 14393381. The next prime is 14393413. The reversal of 14393407 is 70439341.

It is not a de Polignac number, because 14393407 - 211 = 14391359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14393417) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30588 + ... + 31054.

It is an arithmetic number, because the mean of its divisors is an integer number (760266).

Almost surely, 214393407 is an apocalyptic number.

14393407 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

14393407 is a deficient number, since it is larger than the sum of its proper divisors (3852977).

14393407 is a wasteful number, since it uses less digits than its factorization.

14393407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535 (or 528 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 14393407 is about 3793.8643887203. The cubic root of 14393407 is about 243.2509445644.

The spelling of 14393407 in words is "fourteen million, three hundred ninety-three thousand, four hundred seven".

Divisors: 1 7 17 37 49 119 259 467 629 833 1813 3269 4403 7939 17279 22883 30821 55573 120953 293743 389011 846671 2056201 14393407