Base | Representation |
---|---|
bin | 1101110100100011… |
… | …11100111100001000 |
3 | 201011010111000120002 |
4 | 12322101330330020 |
5 | 110144040014103 |
6 | 3224145222132 |
7 | 351610650506 |
oct | 67221747410 |
9 | 21133430502 |
10 | 7420235528 |
11 | 3168590862 |
12 | 1531031948 |
13 | 9133b0c14 |
14 | 5056ab676 |
15 | 2d6678488 |
hex | 1ba47cf08 |
7420235528 has 128 divisors (see below), whose sum is σ = 15745536000. Its totient is φ = 3261772800.
The previous prime is 7420235521. The next prime is 7420235533. The reversal of 7420235528 is 8255320247.
It is a Harshad number since it is a multiple of its sum of digits (38).
It is a junction number, because it is equal to n+sod(n) for n = 7420235491 and 7420235500.
It is not an unprimeable number, because it can be changed into a prime (7420235521) 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 31 ways as a sum of consecutive naturals, for example, 18504128 + ... + 18504528.
It is an arithmetic number, because the mean of its divisors is an integer number (123012000).
Almost surely, 27420235528 is an apocalyptic number.
It is an amenable number.
7420235528 is an abundant number, since it is smaller than the sum of its proper divisors (8325300472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7420235528 is a wasteful number, since it uses less digits than its factorization.
7420235528 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 595 (or 591 counting only the distinct ones).
The product of its (nonzero) digits is 134400, while the sum is 38.
The square root of 7420235528 is about 86140.7889910465. The cubic root of 7420235528 is about 1950.4697994069.
The spelling of 7420235528 in words is "seven billion, four hundred twenty million, two hundred thirty-five thousand, five hundred twenty-eight".
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