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2996728 = 23759907
BaseRepresentation
bin1011011011100111111000
312122020201221
423123213320
51231343403
6144121424
734320550
oct13334770
95566657
102996728
111767539
121006274
1380c017
14580160
153e2dbd
hex2db9f8

2996728 has 32 divisors (see below), whose sum is σ = 6537600. Its totient is φ = 1261152.

The previous prime is 2996717. The next prime is 2996729. The reversal of 2996728 is 8276992.

It is a happy number.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2996729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2851 + ... + 3757.

It is an arithmetic number, because the mean of its divisors is an integer number (204300).

22996728 is an apocalyptic number.

2996728 is a gapful number since it is divisible by the number (28) 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 2996728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3268800).

2996728 is an abundant number, since it is smaller than the sum of its proper divisors (3540872).

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

2996728 is a wasteful number, since it uses less digits than its factorization.

2996728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979 (or 975 counting only the distinct ones).

The product of its digits is 108864, while the sum is 43.

The square root of 2996728 is about 1731.1060048420. The cubic root of 2996728 is about 144.1725041722.

The spelling of 2996728 in words is "two million, nine hundred ninety-six thousand, seven hundred twenty-eight".

Divisors: 1 2 4 7 8 14 28 56 59 118 236 413 472 826 907 1652 1814 3304 3628 6349 7256 12698 25396 50792 53513 107026 214052 374591 428104 749182 1498364 2996728