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2947997492 = 2211232913041
BaseRepresentation
bin1010111110110110…
…1101111100110100
321121110011210022022
42233231231330310
522014141404432
61204305452312
7133024364606
oct25755557464
97543153268
102947997492
111283082170
126a3341098
1337c9a781b
141dd74b176
15123c20b12
hexafb6df34

2947997492 has 24 divisors (see below), whose sum is σ = 5872692672. Its totient is φ = 1281737600.

The previous prime is 2947997491. The next prime is 2947997501.

2947997492 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2947997491) 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, 1455509 + ... + 1457532.

It is an arithmetic number, because the mean of its divisors is an integer number (244695528).

Almost surely, 22947997492 is an apocalyptic number.

2947997492 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2947997492 is a deficient number, since it is larger than the sum of its proper divisors (2924695180).

2947997492 is a wasteful number, since it uses less digits than its factorization.

2947997492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2913079 (or 2913077 counting only the distinct ones).

The product of its digits is 20575296, while the sum is 62.

The square root of 2947997492 is about 54295.4647461462. The cubic root of 2947997492 is about 1433.8675509061.

The spelling of 2947997492 in words is "two billion, nine hundred forty-seven million, nine hundred ninety-seven thousand, four hundred ninety-two".

Divisors: 1 2 4 11 22 23 44 46 92 253 506 1012 2913041 5826082 11652164 32043451 64086902 66999943 128173804 133999886 267999772 736999373 1473998746 2947997492