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2885132172 = 2231324992851
BaseRepresentation
bin1010101111110111…
…1001111110001100
321110001212220022010
42223331321332030
521402043212142
61154142221220
7131332135026
oct25375717614
97401786263
102885132172
11125064455a
12686284810
1336c966600
141d5265016
1511d453e9c
hexabf79f8c

2885132172 has 72 divisors (see below), whose sum is σ = 7306824000. Its totient is φ = 885643200.

The previous prime is 2885132143. The next prime is 2885132191. The reversal of 2885132172 is 2712315882.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 2885132172.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1010547 + ... + 1013397.

Almost surely, 22885132172 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2885132172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3653412000).

2885132172 is an abundant number, since it is smaller than the sum of its proper divisors (4421691828).

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

2885132172 is a wasteful number, since it uses less digits than its factorization.

2885132172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3383 (or 3368 counting only the distinct ones).

The product of its digits is 53760, while the sum is 39.

The square root of 2885132172 is about 53713.4263662262. The cubic root of 2885132172 is about 1423.6019401153.

The spelling of 2885132172 in words is "two billion, eight hundred eighty-five million, one hundred thirty-two thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 169 338 499 507 676 998 1014 1497 1996 2028 2851 2994 5702 5988 6487 8553 11404 12974 17106 19461 25948 34212 37063 38922 74126 77844 84331 111189 148252 168662 222378 252993 337324 444756 481819 505986 963638 1011972 1422649 1445457 1927276 2845298 2890914 4267947 5690596 5781828 8535894 17071788 18494437 36988874 55483311 73977748 110966622 221933244 240427681 480855362 721283043 961710724 1442566086 2885132172