Search a number
-
+
2720996 = 22680249
BaseRepresentation
bin1010011000010011100100
312010020111122
422120103210
51144032441
6134153112
732061635
oct12302344
95106448
102720996
111599363
12ab2798
13743675
1450b88c
1538b34b
hex2984e4

2720996 has 6 divisors (see below), whose sum is σ = 4761750. Its totient is φ = 1360496.

The previous prime is 2720987. The next prime is 2720999. The reversal of 2720996 is 6990272.

It can be written as a sum of positive squares in only one way, i.e., 2280100 + 440896 = 1510^2 + 664^2 .

It is not an unprimeable number, because it can be changed into a prime (2720999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340121 + ... + 340128.

It is an arithmetic number, because the mean of its divisors is an integer number (793625).

22720996 is an apocalyptic number.

It is an amenable number.

2720996 is a deficient number, since it is larger than the sum of its proper divisors (2040754).

2720996 is a wasteful number, since it uses less digits than its factorization.

2720996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680253 (or 680251 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 2720996 is about 1649.5441794629. The cubic root of 2720996 is about 139.6076771283.

The spelling of 2720996 in words is "two million, seven hundred twenty thousand, nine hundred ninety-six".

Divisors: 1 2 4 680249 1360498 2720996