Base | Representation |
---|---|
bin | 101100110101011… |
… | …101111001111110 |
3 | 1221102102102010002 |
4 | 230311131321332 |
5 | 3020031314010 |
6 | 202350314302 |
7 | 24432465440 |
oct | 5465357176 |
9 | 1842372102 |
10 | 752213630 |
11 | 356672263 |
12 | 18bab8992 |
13 | bcac122c |
14 | 71c8a490 |
15 | 460881a5 |
hex | 2cd5de7e |
752213630 has 32 divisors (see below), whose sum is σ = 1576615104. Its totient is φ = 253034496.
The previous prime is 752213621. The next prime is 752213633. The reversal of 752213630 is 36312257.
It is a junction number, because it is equal to n+sod(n) for n = 752213593 and 752213602.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (752213633) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97667 + ... + 105086.
It is an arithmetic number, because the mean of its divisors is an integer number (49269222).
Almost surely, 2752213630 is an apocalyptic number.
752213630 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
752213630 is an abundant number, since it is smaller than the sum of its proper divisors (824401474).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
752213630 is a wasteful number, since it uses less digits than its factorization.
752213630 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 202820.
The product of its (nonzero) digits is 7560, while the sum is 29.
The square root of 752213630 is about 27426.5132672748. The cubic root of 752213630 is about 909.4532923543.
Adding to 752213630 its reverse (36312257), we get a palindrome (788525887).
The spelling of 752213630 in words is "seven hundred fifty-two million, two hundred thirteen thousand, six hundred thirty".
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