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13897383 = 34798563
BaseRepresentation
bin110101000000…
…111010100111
3222011001121220
4311000322213
512024204013
61213511423
7226061103
oct65007247
928131556
1013897383
117932345
1247a2573
132b57806
141bba903
151347b23
hexd40ea7

13897383 has 8 divisors (see below), whose sum is σ = 18924288. Its totient is φ = 9067704.

The previous prime is 13897369. The next prime is 13897421. The reversal of 13897383 is 38379831.

13897383 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13897383 - 210 = 13896359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13897343) 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, 49141 + ... + 49422.

It is an arithmetic number, because the mean of its divisors is an integer number (2365536).

Almost surely, 213897383 is an apocalyptic number.

13897383 is a deficient number, since it is larger than the sum of its proper divisors (5026905).

13897383 is an equidigital number, since it uses as much as digits as its factorization.

13897383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98613.

The product of its digits is 108864, while the sum is 42.

The square root of 13897383 is about 3727.9193929054. The cubic root of 13897383 is about 240.4239209108.

The spelling of 13897383 in words is "thirteen million, eight hundred ninety-seven thousand, three hundred eighty-three".

Divisors: 1 3 47 141 98563 295689 4632461 13897383