Search a number
-
+
2980407 = 33672707
BaseRepresentation
bin1011010111101000110111
312121102100110
423113220313
51230333112
6143514103
734222143
oct13275067
95542313
102980407
111756251
12bb8933
13804771
14578223
153dd13c
hex2d7a37

2980407 has 8 divisors (see below), whose sum is σ = 3986176. Its totient is φ = 1980792.

The previous prime is 2980403. The next prime is 2980421. The reversal of 2980407 is 7040892.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2980407 - 22 = 2980403 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2980403) 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, 253 + ... + 2454.

It is an arithmetic number, because the mean of its divisors is an integer number (498272).

22980407 is an apocalyptic number.

2980407 is a deficient number, since it is larger than the sum of its proper divisors (1005769).

2980407 is a wasteful number, since it uses less digits than its factorization.

2980407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3077.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 2980407 is about 1726.3855305232. The cubic root of 2980407 is about 143.9102932788.

The spelling of 2980407 in words is "two million, nine hundred eighty thousand, four hundred seven".

Divisors: 1 3 367 1101 2707 8121 993469 2980407