Search a number
-
+
2855823900 = 223529519413
BaseRepresentation
bin1010101000111000…
…0110101000011100
321101000201212220120
42222032012220130
521322042331100
61151214114540
7130525050126
oct25216065034
97330655816
102855823900
111236046846
126784aba50
13366874437
141d13d6216
1511aab50a0
hexaa386a1c

2855823900 has 36 divisors (see below), whose sum is σ = 8262851352. Its totient is φ = 761552960.

The previous prime is 2855823869. The next prime is 2855823913. The reversal of 2855823900 is 93285582.

It is a super-2 number, since 2×28558239002 = 16311460295622420000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4759407 + ... + 4760006.

Almost surely, 22855823900 is an apocalyptic number.

2855823900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2855823900 is an abundant number, since it is smaller than the sum of its proper divisors (5407027452).

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

2855823900 is a wasteful number, since it uses less digits than its factorization.

2855823900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9519430 (or 9519423 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 2855823900 is about 53439.9092439349. The cubic root of 2855823900 is about 1418.7650275598.

The spelling of 2855823900 in words is "two billion, eight hundred fifty-five million, eight hundred twenty-three thousand, nine hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 9519413 19038826 28558239 38077652 47597065 57116478 95194130 114232956 142791195 190388260 237985325 285582390 475970650 571164780 713955975 951941300 1427911950 2855823900