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2904989772 = 223155592
BaseRepresentation
bin1010110100100110…
…1010000001001100
321111110020202210210
42231021222001030
521422134133042
61200132002420
7131663001636
oct25511520114
97443222723
102904989772
1112608778a3
12690a60410
13373ac9c79
141d7b53a56
15120077a9c
hexad26a04c

2904989772 has 18 divisors (see below), whose sum is σ = 6778745148. Its totient is φ = 968267688.

The previous prime is 2904989761. The next prime is 2904989803. The reversal of 2904989772 is 2779894092.

It is a super-2 number, since 2×29049897722 = 16877931150849223968, which contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 178929 + ... + 194487.

Almost surely, 22904989772 is an apocalyptic number.

It is an amenable number.

2904989772 is an abundant number, since it is smaller than the sum of its proper divisors (3873755376).

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

2904989772 is an frugal number, since it uses more digits than its factorization.

2904989772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31125 (or 15564 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 57.

The square root of 2904989772 is about 53897.9570299283. The cubic root of 2904989772 is about 1426.8605670258.

The spelling of 2904989772 in words is "two billion, nine hundred four million, nine hundred eighty-nine thousand, seven hundred seventy-two".

Divisors: 1 2 3 4 6 12 15559 31118 46677 62236 93354 186708 242082481 484164962 726247443 968329924 1452494886 2904989772