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14397940 = 2256191163
BaseRepresentation
bin110110111011…
…000111110100
31000002111021001
4312323013310
512141213230
61232333044
7233244334
oct66730764
930074231
1014397940
118144427
1249a4184
132ca15bb
141cab0c4
1513e60ca
hexdbb1f4

14397940 has 24 divisors (see below), whose sum is σ = 30310560. Its totient is φ = 5744928.

The previous prime is 14397923. The next prime is 14397941. The reversal of 14397940 is 4979341.

It is a self number, because there is not a number n which added to its sum of digits gives 14397940.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14397941) 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, 11799 + ... + 12961.

It is an arithmetic number, because the mean of its divisors is an integer number (1262940).

Almost surely, 214397940 is an apocalyptic number.

14397940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14397940 is an abundant number, since it is smaller than the sum of its proper divisors (15912620).

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

14397940 is a wasteful number, since it uses less digits than its factorization.

14397940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1791 (or 1789 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 14397940 is about 3794.4617536615. The cubic root of 14397940 is about 243.2764780325.

The spelling of 14397940 in words is "fourteen million, three hundred ninety-seven thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 619 1163 1238 2326 2476 3095 4652 5815 6190 11630 12380 23260 719897 1439794 2879588 3599485 7198970 14397940