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11954013 = 36436197
BaseRepresentation
bin101101100110…
…011101011101
3211111022211020
4231212131131
511030012023
61104114353
7203415231
oct55463535
924438736
1011954013
116825255
1240059b9
1326270a6
1418325c1
1510b1de3
hexb6675d

11954013 has 8 divisors (see below), whose sum is σ = 15966048. Its totient is φ = 7955664.

The previous prime is 11954011. The next prime is 11954017. The reversal of 11954013 is 31045911.

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

It is not a de Polignac number, because 11954013 - 21 = 11954011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11954011) 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, 1170 + ... + 5027.

It is an arithmetic number, because the mean of its divisors is an integer number (1995756).

Almost surely, 211954013 is an apocalyptic number.

It is an amenable number.

11954013 is a deficient number, since it is larger than the sum of its proper divisors (4012035).

11954013 is an equidigital number, since it uses as much as digits as its factorization.

11954013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6843.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 11954013 is about 3457.4575919308. The cubic root of 11954013 is about 228.6500187154.

Adding to 11954013 its reverse (31045911), we get a palindrome (42999924).

The spelling of 11954013 in words is "eleven million, nine hundred fifty-four thousand, thirteen".

Divisors: 1 3 643 1929 6197 18591 3984671 11954013