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13404141 = 326732213
BaseRepresentation
bin110011001000…
…011111101101
3221020000000200
4303020133231
511412413031
61155144113
7221635062
oct63103755
927200020
1013404141
117625803
1245a5039
132a1415a
141accc69
15129b8e6
hexcc87ed

13404141 has 12 divisors (see below), whose sum is σ = 19399068. Its totient is φ = 8918784.

The previous prime is 13404137. The next prime is 13404163. The reversal of 13404141 is 14140431.

It can be written as a sum of positive squares in 2 ways, for example, as 10055241 + 3348900 = 3171^2 + 1830^2 .

It is not a de Polignac number, because 13404141 - 22 = 13404137 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13404241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4951 + ... + 7163.

It is an arithmetic number, because the mean of its divisors is an integer number (1616589).

Almost surely, 213404141 is an apocalyptic number.

It is an amenable number.

13404141 is a deficient number, since it is larger than the sum of its proper divisors (5994927).

13404141 is a wasteful number, since it uses less digits than its factorization.

13404141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2892 (or 2889 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 13404141 is about 3661.1666173503. The cubic root of 13404141 is about 237.5452382893.

Adding to 13404141 its reverse (14140431), we get a palindrome (27544572).

The spelling of 13404141 in words is "thirteen million, four hundred four thousand, one hundred forty-one".

Divisors: 1 3 9 673 2019 2213 6057 6639 19917 1489349 4468047 13404141