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7280116 = 221995791
BaseRepresentation
bin11011110001010111110100
3111200212102221
4123301113310
53330430431
6420012124
7115610554
oct33612764
914625387
107280116
114122728
122531044
13167b87c
14d77164
1598c111
hex6f15f4

7280116 has 12 divisors (see below), whose sum is σ = 13410880. Its totient is φ = 3448440.

The previous prime is 7280113. The next prime is 7280129. The reversal of 7280116 is 6110827.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7280113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47820 + ... + 47971.

Almost surely, 27280116 is an apocalyptic number.

7280116 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

7280116 is a deficient number, since it is larger than the sum of its proper divisors (6130764).

7280116 is a wasteful number, since it uses less digits than its factorization.

7280116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95814 (or 95812 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 7280116 is about 2698.1690087910. The cubic root of 7280116 is about 193.8114510592.

It can be divided in two parts, 7280 and 116, that added together give a square (7396 = 862).

The spelling of 7280116 in words is "seven million, two hundred eighty thousand, one hundred sixteen".

Divisors: 1 2 4 19 38 76 95791 191582 383164 1820029 3640058 7280116