Search a number
-
+
2720396 = 22797157
BaseRepresentation
bin1010011000001010001100
312010012200102
422120022030
51144023041
6134150232
732060120
oct12301214
95105612
102720396
111598968
12ab2378
13743303
1450b580
1538b09b
hex29828c

2720396 has 12 divisors (see below), whose sum is σ = 5440848. Its totient is φ = 1165872.

The previous prime is 2720387. The next prime is 2720411. The reversal of 2720396 is 6930272.

2720396 is an admirable number.

It is an Ulam number.

2720396 is a modest number, since divided by 396 gives 272 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48551 + ... + 48606.

It is an arithmetic number, because the mean of its divisors is an integer number (453404).

22720396 is an apocalyptic number.

It is an amenable number.

2720396 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2720396 is a wasteful number, since it uses less digits than its factorization.

2720396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97168 (or 97166 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 2720396 is about 1649.3623010121. The cubic root of 2720396 is about 139.5974148611.

The spelling of 2720396 in words is "two million, seven hundred twenty thousand, three hundred ninety-six".

Divisors: 1 2 4 7 14 28 97157 194314 388628 680099 1360198 2720396