Base | Representation |
---|---|
bin | 110011000000… |
… | …110001001011 |
3 | 221011101121110 |
4 | 303000301023 |
5 | 11410404431 |
6 | 1154341403 |
7 | 221443566 |
oct | 63006113 |
9 | 27141543 |
10 | 13372491 |
11 | 7603a50 |
12 | 458a863 |
13 | 2a02922 |
14 | 1ac14dd |
15 | 1292346 |
hex | cc0c4b |
13372491 has 8 divisors (see below), whose sum is σ = 19450944. Its totient is φ = 8104520.
The previous prime is 13372477. The next prime is 13372511. The reversal of 13372491 is 19427331.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13372491 - 25 = 13372459 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13372091) 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, 202581 + ... + 202646.
It is an arithmetic number, because the mean of its divisors is an integer number (2431368).
Almost surely, 213372491 is an apocalyptic number.
13372491 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
13372491 is a deficient number, since it is larger than the sum of its proper divisors (6078453).
13372491 is a wasteful number, since it uses less digits than its factorization.
13372491 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 405241.
The product of its digits is 4536, while the sum is 30.
The square root of 13372491 is about 3656.8416700754. The cubic root of 13372491 is about 237.3581261623.
It can be divided in two parts, 1337 and 2491, that added together give a triangular number (3828 = T87).
The spelling of 13372491 in words is "thirteen million, three hundred seventy-two thousand, four hundred ninety-one".
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