Search a number
-
+
8236073945 = 511149746799
BaseRepresentation
bin1111010101110100…
…01000001111011001
3210020222121220110202
413222322020033121
5113331413331240
63441131351545
7411045321251
oct75272101731
923228556422
108236073945
11354705a290
12171a2b25b5
13a1341ac48
14581b9a961
153330cd315
hex1eae883d9

8236073945 has 8 divisors (see below), whose sum is σ = 10781769600. Its totient is φ = 5989871920.

The previous prime is 8236073917. The next prime is 8236073947. The reversal of 8236073945 is 5493706328.

It is a happy number.

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

It is not a de Polignac number, because 8236073945 - 214 = 8236057561 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8236073945.

It is not an unprimeable number, because it can be changed into a prime (8236073947) 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, 74873345 + ... + 74873454.

It is an arithmetic number, because the mean of its divisors is an integer number (1347721200).

Almost surely, 28236073945 is an apocalyptic number.

It is an amenable number.

8236073945 is a deficient number, since it is larger than the sum of its proper divisors (2545695655).

8236073945 is a wasteful number, since it uses less digits than its factorization.

8236073945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149746815.

The product of its (nonzero) digits is 1088640, while the sum is 47.

The square root of 8236073945 is about 90752.8178350403. The cubic root of 8236073945 is about 2019.4824299737.

The spelling of 8236073945 in words is "eight billion, two hundred thirty-six million, seventy-three thousand, nine hundred forty-five".

Divisors: 1 5 11 55 149746799 748733995 1647214789 8236073945