Search a number
-
+
2853979920 = 243451140039
BaseRepresentation
bin1010101000011100…
…0100011100010000
321100220021012110000
42222013010130100
521321104324140
61151110410000
7130503300111
oct25207043420
97326235400
102853979920
111234aa73a0
12677960900
1336637a01c
141d1076208
1511a84da30
hexaa1c4710

2853979920 has 200 divisors, whose sum is σ = 10813682880. Its totient is φ = 691856640.

The previous prime is 2853979901. The next prime is 2853979981. The reversal of 2853979920 is 299793582.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 51261 + ... + 91299.

Almost surely, 22853979920 is an apocalyptic number.

2853979920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2853979920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5406841440).

2853979920 is an abundant number, since it is smaller than the sum of its proper divisors (7959702960).

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

2853979920 is a wasteful number, since it uses less digits than its factorization.

2853979920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40075 (or 40060 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 54.

The square root of 2853979920 is about 53422.6536218485. The cubic root of 2853979920 is about 1418.4596005086.

The spelling of 2853979920 in words is "two billion, eight hundred fifty-three million, nine hundred seventy-nine thousand, nine hundred twenty".