Base | Representation |
---|---|
bin | 11010111010001001000010 |
3 | 111021101010012 |
4 | 122322021002 |
5 | 3301211030 |
6 | 411104522 |
7 | 113646164 |
oct | 32721102 |
9 | 14241105 |
10 | 7053890 |
11 | 3a88768 |
12 | 2442142 |
13 | 15cc8cc |
14 | d18934 |
15 | 945095 |
hex | 6ba242 |
7053890 has 8 divisors (see below), whose sum is σ = 12697020. Its totient is φ = 2821552.
The previous prime is 7053877. The next prime is 7053899. The reversal of 7053890 is 983507.
It can be written as a sum of positive squares in 2 ways, for example, as 6806881 + 247009 = 2609^2 + 497^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-3 number, since 3×70538903 (a number of 22 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (7053899) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352685 + ... + 352704.
Almost surely, 27053890 is an apocalyptic number.
7053890 is a deficient number, since it is larger than the sum of its proper divisors (5643130).
7053890 is a wasteful number, since it uses less digits than its factorization.
7053890 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 705396.
The product of its (nonzero) digits is 7560, while the sum is 32.
The square root of 7053890 is about 2655.9160378295. The cubic root of 7053890 is about 191.7827584869.
The spelling of 7053890 in words is "seven million, fifty-three thousand, eight hundred ninety".
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