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13042041 = 331140237
BaseRepresentation
bin110001110000…
…000101111001
3220112121022120
4301300011321
511314321131
61143311453
7215566305
oct61600571
926477276
1013042041
1173a8751
12444b589
1329183ac
141a36d05
151229496
hexc70179

13042041 has 8 divisors (see below), whose sum is σ = 17950464. Its totient is φ = 8414160.

The previous prime is 13042033. The next prime is 13042069. The reversal of 13042041 is 14024031.

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

It is not a de Polignac number, because 13042041 - 23 = 13042033 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13042041.

It is not an unprimeable number, because it can be changed into a prime (13042091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70026 + ... + 70211.

It is an arithmetic number, because the mean of its divisors is an integer number (2243808).

Almost surely, 213042041 is an apocalyptic number.

It is an amenable number.

13042041 is a deficient number, since it is larger than the sum of its proper divisors (4908423).

13042041 is a wasteful number, since it uses less digits than its factorization.

13042041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140271.

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

The square root of 13042041 is about 3611.3766073341. The cubic root of 13042041 is about 235.3866638803.

Adding to 13042041 its reverse (14024031), we get a palindrome (27066072).

The spelling of 13042041 in words is "thirteen million, forty-two thousand, forty-one".

Divisors: 1 3 31 93 140237 420711 4347347 13042041