Search a number
-
+
8805153949 = 20034395983
BaseRepresentation
bin10000011001101001…
…11111110010011101
3211201122110011110221
420030310333302131
5121013104411244
64013421001341
7431125400524
oct101464776235
924648404427
108805153949
113809309539
1218589b3251
13aa42abb87
145d75b54bb
1536803e784
hex20cd3fc9d

8805153949 has 4 divisors (see below), whose sum is σ = 8809551936. Its totient is φ = 8800755964.

The previous prime is 8805153919. The next prime is 8805153979. The reversal of 8805153949 is 9493515088.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (8805153919) and next prime (8805153979).

It is a cyclic number.

It is not a de Polignac number, because 8805153949 - 215 = 8805121181 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8805153896 and 8805153905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8805153919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2195989 + ... + 2199994.

It is an arithmetic number, because the mean of its divisors is an integer number (2202387984).

Almost surely, 28805153949 is an apocalyptic number.

It is an amenable number.

8805153949 is a deficient number, since it is larger than the sum of its proper divisors (4397987).

8805153949 is a wasteful number, since it uses less digits than its factorization.

8805153949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4397986.

The product of its (nonzero) digits is 1555200, while the sum is 52.

The square root of 8805153949 is about 93835.7818158937. The cubic root of 8805153949 is about 2064.9632067268.

The spelling of 8805153949 in words is "eight billion, eight hundred five million, one hundred fifty-three thousand, nine hundred forty-nine".

Divisors: 1 2003 4395983 8805153949