Search a number
-
+
2980474 = 272171789
BaseRepresentation
bin1011010111101001111010
312121102102221
423113221322
51230333344
6143514254
734222300
oct13275172
95542387
102980474
111756302
12bb898a
138047c3
14578270
153dd184
hex2d7a7a

2980474 has 24 divisors (see below), whose sum is σ = 5509620. Its totient is φ = 1201536.

The previous prime is 2980469. The next prime is 2980477. The reversal of 2980474 is 4740892.

2980474 = T324 + T325 + ... + T372.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2480625 + 499849 = 1575^2 + 707^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2980477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 772 + ... + 2560.

22980474 is an apocalyptic number.

2980474 is a deficient number, since it is larger than the sum of its proper divisors (2529146).

2980474 is a wasteful number, since it uses less digits than its factorization.

2980474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1822 (or 1815 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 2980474 is about 1726.4049351181. The cubic root of 2980474 is about 143.9113716458.

The spelling of 2980474 in words is "two million, nine hundred eighty thousand, four hundred seventy-four".

Divisors: 1 2 7 14 17 34 49 98 119 238 833 1666 1789 3578 12523 25046 30413 60826 87661 175322 212891 425782 1490237 2980474