Search a number
-
+
13401355 = 5112171303
BaseRepresentation
bin110011000111…
…110100001011
3221012212012111
4303013310023
511412320410
61155123151
7221624002
oct63076413
927185174
1013401355
117623700
1245a34b7
132a12ac6
141acbc39
15129ab8a
hexcc7d0b

13401355 has 24 divisors (see below), whose sum is σ = 18730656. Its totient is φ = 9166080.

The previous prime is 13401343. The next prime is 13401359. The reversal of 13401355 is 55310431.

It is a happy number.

It is not a de Polignac number, because 13401355 - 215 = 13368587 is a prime.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13401359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9634 + ... + 10936.

It is an arithmetic number, because the mean of its divisors is an integer number (780444).

Almost surely, 213401355 is an apocalyptic number.

13401355 is a deficient number, since it is larger than the sum of its proper divisors (5329301).

13401355 is a wasteful number, since it uses less digits than its factorization.

13401355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347 (or 1336 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 13401355 is about 3660.7861177621. The cubic root of 13401355 is about 237.5287795226.

Adding to 13401355 its reverse (55310431), we get a palindrome (68711786).

The spelling of 13401355 in words is "thirteen million, four hundred one thousand, three hundred fifty-five".

Divisors: 1 5 11 17 55 85 121 187 605 935 1303 2057 6515 10285 14333 22151 71665 110755 157663 243661 788315 1218305 2680271 13401355