Search a number
-
+
2720316 = 223297817
BaseRepresentation
bin1010011000001000111100
312010012120110
422120020330
51144022231
6134150020
732056644
oct12301074
95105513
102720316
1115988a5
12ab2310
13743271
1450b524
1538b046
hex29823c

2720316 has 24 divisors (see below), whose sum is σ = 6567120. Its totient is φ = 875392.

The previous prime is 2720303. The next prime is 2720321. The reversal of 2720316 is 6130272.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2720292 and 2720301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3561 + ... + 4256.

It is an arithmetic number, because the mean of its divisors is an integer number (273630).

22720316 is an apocalyptic number.

It is an amenable number.

2720316 is an abundant number, since it is smaller than the sum of its proper divisors (3846804).

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

2720316 is a wasteful number, since it uses less digits than its factorization.

2720316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7853 (or 7851 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 2720316 is about 1649.3380490366. The cubic root of 2720316 is about 139.5960464448.

Adding to 2720316 its reverse (6130272), we get a palindrome (8850588).

The spelling of 2720316 in words is "two million, seven hundred twenty thousand, three hundred sixteen".

Divisors: 1 2 3 4 6 12 29 58 87 116 174 348 7817 15634 23451 31268 46902 93804 226693 453386 680079 906772 1360158 2720316