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13043742 = 232173957
BaseRepresentation
bin110001110000…
…100000011110
3220112200122120
4301300200132
511314344432
61143323410
7215604255
oct61604036
926480576
1013043742
1173a9a58
124450566
1329190ba
141a3779c
151229c2c
hexc7081e

13043742 has 8 divisors (see below), whose sum is σ = 26087496. Its totient is φ = 4347912.

The previous prime is 13043741. The next prime is 13043773. The reversal of 13043742 is 24734031.

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

13043742 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13043741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1086973 + ... + 1086984.

It is an arithmetic number, because the mean of its divisors is an integer number (3260937).

Almost surely, 213043742 is an apocalyptic number.

13043742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13043742 is a wasteful number, since it uses less digits than its factorization.

13043742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2173962.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 13043742 is about 3611.6121054177. The cubic root of 13043742 is about 235.3968968214.

Adding to 13043742 its reverse (24734031), we get a palindrome (37777773).

The spelling of 13043742 in words is "thirteen million, forty-three thousand, seven hundred forty-two".

Divisors: 1 2 3 6 2173957 4347914 6521871 13043742