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2980800 = 26345223
BaseRepresentation
bin1011010111101111000000
312121102220000
423113233000
51230341200
6143520000
734223244
oct13275700
95542800
102980800
111756579
12bb9000
138049b4
14578424
153dd300
hex2d7bc0

2980800 has 210 divisors, whose sum is σ = 11433048. Its totient is φ = 760320.

The previous prime is 2980799. The next prime is 2980801. The reversal of 2980800 is 80892.

It is an interprime number because it is at equal distance from previous prime (2980799) and next prime (2980801).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2980801) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 129589 + ... + 129611.

22980800 is an apocalyptic number.

2980800 is a gapful number since it is divisible by the number (20) 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 2980800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5716524).

2980800 is an abundant number, since it is smaller than the sum of its proper divisors (8452248).

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

2980800 is a wasteful number, since it uses less digits than its factorization.

2980800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57 (or 33 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 2980800 is about 1726.4993483926. The cubic root of 2980800 is about 143.9166183948.

The spelling of 2980800 in words is "two million, nine hundred eighty thousand, eight hundred".