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14321997 = 3237411049
BaseRepresentation
bin110110101000…
…100101001101
3222221122002100
4312220211031
512131300442
61230545313
7232510044
oct66504515
928848070
1014321997
1180a2368
124968239
132c75b71
141c8b55b
1513cd84c
hexda894d

14321997 has 24 divisors (see below), whose sum is σ = 21785400. Its totient is φ = 9054720.

The previous prime is 14321971. The next prime is 14322001. The reversal of 14321997 is 79912341.

14321997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4247721 + 10074276 = 2061^2 + 3174^2 .

It is not a de Polignac number, because 14321997 - 26 = 14321933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14321947) 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, 13129 + ... + 14177.

It is an arithmetic number, because the mean of its divisors is an integer number (907725).

Almost surely, 214321997 is an apocalyptic number.

It is an amenable number.

14321997 is a deficient number, since it is larger than the sum of its proper divisors (7463403).

14321997 is a wasteful number, since it uses less digits than its factorization.

14321997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133 (or 1130 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 14321997 is about 3784.4414383103. The cubic root of 14321997 is about 242.8479972005.

The spelling of 14321997 in words is "fourteen million, three hundred twenty-one thousand, nine hundred ninety-seven".

Divisors: 1 3 9 37 41 111 123 333 369 1049 1517 3147 4551 9441 13653 38813 43009 116439 129027 349317 387081 1591333 4773999 14321997