Search a number
-
+
13894357 is a prime number
BaseRepresentation
bin110101000000…
…001011010101
3222010220110211
4311000023111
512024104412
61213445421
7226046221
oct65001325
928126424
1013894357
117930044
1247a0871
132b56319
141bb9781
151346ca7
hexd402d5

13894357 has 2 divisors, whose sum is σ = 13894358. Its totient is φ = 13894356.

The previous prime is 13894337. The next prime is 13894381. The reversal of 13894357 is 75349831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12432676 + 1461681 = 3526^2 + 1209^2 .

It is a cyclic number.

It is not a de Polignac number, because 13894357 - 27 = 13894229 is a prime.

It is a Chen prime.

It is a pancake number, because a pancake can be divided into 13894357 parts by 5271 straight cuts.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13894327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6947178 + 6947179.

It is an arithmetic number, because the mean of its divisors is an integer number (6947179).

Almost surely, 213894357 is an apocalyptic number.

It is an amenable number.

13894357 is a deficient number, since it is larger than the sum of its proper divisors (1).

13894357 is an equidigital number, since it uses as much as digits as its factorization.

13894357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 40.

The square root of 13894357 is about 3727.5135143954. The cubic root of 13894357 is about 240.4064697692.

The spelling of 13894357 in words is "thirteen million, eight hundred ninety-four thousand, three hundred fifty-seven".