Search a number
-
+
2980425 = 35272811
BaseRepresentation
bin1011010111101001001001
312121102101010
423113221021
51230333200
6143514133
734222200
oct13275111
95542333
102980425
111756268
12bb8949
13804786
14578237
153dd150
hex2d7a49

2980425 has 36 divisors (see below), whose sum is σ = 5739216. Its totient is φ = 1360800.

The previous prime is 2980421. The next prime is 2980427. The reversal of 2980425 is 5240892.

2980425 = T196 + T197 + ... + T293.

It is not a de Polignac number, because 2980425 - 22 = 2980421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2980392 and 2980401.

It is not an unprimeable number, because it can be changed into a prime (2980421) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3270 + ... + 4080.

22980425 is an apocalyptic number.

2980425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2980425 is a deficient number, since it is larger than the sum of its proper divisors (2758791).

2980425 is a wasteful number, since it uses less digits than its factorization.

2980425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838 (or 826 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 2980425 is about 1726.3907437194. The cubic root of 2980425 is about 143.9105829910.

The spelling of 2980425 in words is "two million, nine hundred eighty thousand, four hundred twenty-five".

Divisors: 1 3 5 7 15 21 25 35 49 75 105 147 175 245 525 735 811 1225 2433 3675 4055 5677 12165 17031 20275 28385 39739 60825 85155 119217 141925 198695 425775 596085 993475 2980425