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13402401 = 314929983
BaseRepresentation
bin110011001000…
…000100100001
3221012220122020
4303020010201
511412334101
61155132053
7221630025
oct63100441
927186566
1013402401
117624471
1245a4029
132a1341c
141acc385
15129b136
hexcc8121

13402401 has 8 divisors (see below), whose sum is σ = 17990400. Its totient is φ = 8874672.

The previous prime is 13402373. The next prime is 13402423. The reversal of 13402401 is 10420431.

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

It is not a de Polignac number, because 13402401 - 211 = 13400353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13402471) 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, 14545 + ... + 15438.

It is an arithmetic number, because the mean of its divisors is an integer number (2248800).

Almost surely, 213402401 is an apocalyptic number.

It is an amenable number.

13402401 is a deficient number, since it is larger than the sum of its proper divisors (4587999).

13402401 is a wasteful number, since it uses less digits than its factorization.

13402401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30135.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 13402401 is about 3660.9289804638. The cubic root of 13402401 is about 237.5349592121.

Adding to 13402401 its reverse (10420431), we get a palindrome (23822832).

It can be divided in two parts, 1340 and 2401, that added together give a triangular number (3741 = T86).

The spelling of 13402401 in words is "thirteen million, four hundred two thousand, four hundred one".

Divisors: 1 3 149 447 29983 89949 4467467 13402401