Search a number
-
+
147418943 = 721059849
BaseRepresentation
bin10001100100101…
…10111100111111
3101021101122202212
420302112330333
5300214401233
622343411035
73440016560
oct1062267477
9337348685
10147418943
117623a041
1241453a7b
1324707159
1415816167
15ce1ea48
hex8c96f3f

147418943 has 4 divisors (see below), whose sum is σ = 168478800. Its totient is φ = 126359088.

The previous prime is 147418927. The next prime is 147418949. The reversal of 147418943 is 349814741.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 147418943 - 24 = 147418927 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 147418943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147418949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10529918 + ... + 10529931.

It is an arithmetic number, because the mean of its divisors is an integer number (42119700).

Almost surely, 2147418943 is an apocalyptic number.

147418943 is a deficient number, since it is larger than the sum of its proper divisors (21059857).

147418943 is an equidigital number, since it uses as much as digits as its factorization.

147418943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21059856.

The product of its digits is 96768, while the sum is 41.

The square root of 147418943 is about 12141.6202790237. The cubic root of 147418943 is about 528.2640999239.

The spelling of 147418943 in words is "one hundred forty-seven million, four hundred eighteen thousand, nine hundred forty-three".

Divisors: 1 7 21059849 147418943