Search a number
-
+
2947401 = 33173631
BaseRepresentation
bin1011001111100101001001
312112202002000
423033211021
51223304101
6143101213
734024002
oct13174511
95482060
102947401
111733476
12ba1809
137c2732
1456a1a9
153d3486
hex2cf949

2947401 has 16 divisors (see below), whose sum is σ = 4398720. Its totient is φ = 1950480.

The previous prime is 2947363. The next prime is 2947403. The reversal of 2947401 is 1047492.

It is a happy number.

It is not a de Polignac number, because 2947401 - 218 = 2685257 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (2947403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4356 + ... + 4986.

It is an arithmetic number, because the mean of its divisors is an integer number (274920).

22947401 is an apocalyptic number.

It is an amenable number.

2947401 is a deficient number, since it is larger than the sum of its proper divisors (1451319).

2947401 is a wasteful number, since it uses less digits than its factorization.

2947401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813 (or 807 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 2947401 is about 1716.7996388630. The cubic root of 2947401 is about 143.3770835738.

The spelling of 2947401 in words is "two million, nine hundred forty-seven thousand, four hundred one".

Divisors: 1 3 9 27 173 519 631 1557 1893 4671 5679 17037 109163 327489 982467 2947401