Search a number
-
+
880138491 = 3436822779
BaseRepresentation
bin110100011101011…
…101100011111011
32021100010200000220
4310131131203323
53300303412431
6223200231123
730545024301
oct6435354373
92240120026
10880138491
114118a7091
1220690b4a3
1311046130b
1484c6a271
1552406b96
hex3475d8fb

880138491 has 8 divisors (see below), whose sum is σ = 1200809280. Its totient is φ = 573113352.

The previous prime is 880138489. The next prime is 880138529. The reversal of 880138491 is 194831088.

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

It is not a de Polignac number, because 880138491 - 21 = 880138489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (880130491) 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 7 ways as a sum of consecutive naturals, for example, 3411261 + ... + 3411518.

It is an arithmetic number, because the mean of its divisors is an integer number (150101160).

Almost surely, 2880138491 is an apocalyptic number.

880138491 is a deficient number, since it is larger than the sum of its proper divisors (320670789).

880138491 is a wasteful number, since it uses less digits than its factorization.

880138491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6822825.

The product of its (nonzero) digits is 55296, while the sum is 42.

The square root of 880138491 is about 29667.1281218793. The cubic root of 880138491 is about 958.3342391187.

The spelling of 880138491 in words is "eight hundred eighty million, one hundred thirty-eight thousand, four hundred ninety-one".

Divisors: 1 3 43 129 6822779 20468337 293379497 880138491