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885288132 = 223245135449
BaseRepresentation
bin110100110001000…
…110110011000100
32021200211022000100
4310301012303010
53303113210012
6223502444100
730636552651
oct6461066304
92250738010
10885288132
114147a4093
12208593630
13111545241
148580ac28
1552ac28dc
hex34c46cc4

885288132 has 36 divisors (see below), whose sum is σ = 2238718300. Its totient is φ = 294976512.

The previous prime is 885288127. The next prime is 885288139. The reversal of 885288132 is 231882588.

It can be written as a sum of positive squares in 2 ways, for example, as 26563716 + 858724416 = 5154^2 + 29304^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (885288139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159744 + ... + 165192.

Almost surely, 2885288132 is an apocalyptic number.

It is an amenable number.

885288132 is an abundant number, since it is smaller than the sum of its proper divisors (1353430168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

885288132 is a wasteful number, since it uses less digits than its factorization.

885288132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9972 (or 9967 counting only the distinct ones).

The product of its digits is 245760, while the sum is 45.

The square root of 885288132 is about 29753.7918927991. The cubic root of 885288132 is about 960.1996589933.

The spelling of 885288132 in words is "eight hundred eighty-five million, two hundred eighty-eight thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 36 4513 5449 9026 10898 13539 16347 18052 21796 27078 32694 40617 49041 54156 65388 81234 98082 162468 196164 24591337 49182674 73774011 98365348 147548022 221322033 295096044 442644066 885288132