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2947422 = 231074591
BaseRepresentation
bin1011001111100101011110
312112202002210
423033211132
51223304142
6143101250
734024032
oct13174536
95482083
102947422
111733495
12ba1826
137c274a
1456a1c2
153d349c
hex2cf95e

2947422 has 16 divisors (see below), whose sum is σ = 5951232. Its totient is φ = 973080.

The previous prime is 2947403. The next prime is 2947429. The reversal of 2947422 is 2247492.

It is a self number, because there is not a number n which added to its sum of digits gives 2947422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2947429) 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, 1654 + ... + 2937.

It is an arithmetic number, because the mean of its divisors is an integer number (371952).

22947422 is an apocalyptic number.

2947422 is an abundant number, since it is smaller than the sum of its proper divisors (3003810).

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

2947422 is a wasteful number, since it uses less digits than its factorization.

2947422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4703.

The product of its digits is 8064, while the sum is 30.

The square root of 2947422 is about 1716.8057548832. The cubic root of 2947422 is about 143.3774240898.

The spelling of 2947422 in words is "two million, nine hundred forty-seven thousand, four hundred twenty-two".

Divisors: 1 2 3 6 107 214 321 642 4591 9182 13773 27546 491237 982474 1473711 2947422