Base | Representation |
---|---|
bin | 1101111100111000… |
… | …00101100000110011 |
3 | 201022222202110201111 |
4 | 12332130011200303 |
5 | 110314420012242 |
6 | 3235120414151 |
7 | 353415646312 |
oct | 67634054063 |
9 | 21288673644 |
10 | 7490000947 |
11 | 31a3a01630 |
12 | 1550477357 |
13 | 924999a30 |
14 | 510a6c279 |
15 | 2dc859817 |
hex | 1be705833 |
7490000947 has 16 divisors (see below), whose sum is σ = 9317058912. Its totient is φ = 5915589120.
The previous prime is 7490000867. The next prime is 7490000957.
7490000947 is nontrivially palindromic in base 10.
It is a cyclic number.
It is not a de Polignac number, because 7490000947 - 215 = 7489968179 is a prime.
It is a super-2 number, since 2×74900009472 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (7490000957) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1538088 + ... + 1542949.
It is an arithmetic number, because the mean of its divisors is an integer number (582316182).
Almost surely, 27490000947 is an apocalyptic number.
7490000947 is a deficient number, since it is larger than the sum of its proper divisors (1827057965).
7490000947 is a wasteful number, since it uses less digits than its factorization.
7490000947 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3081078.
The product of its (nonzero) digits is 63504, while the sum is 40.
The square root of 7490000947 is about 86544.7915648308. The cubic root of 7490000947 is about 1956.5635455168.
It can be divided in two parts, 7490000 and 947, that added together give a palindrome (7490947).
The spelling of 7490000947 in words is "seven billion, four hundred ninety million, nine hundred forty-seven", and thus it is an aban number.
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