Base | Representation |
---|---|
bin | 11101000100011000100010 |
3 | 112100010212001 |
4 | 131010120202 |
5 | 3422321010 |
6 | 431154214 |
7 | 121525060 |
oct | 35043042 |
9 | 15303761 |
10 | 7620130 |
11 | 4335131 |
12 | 267596a |
13 | 176a56b |
14 | 1025030 |
15 | a07c3a |
hex | 744622 |
7620130 has 32 divisors (see below), whose sum is σ = 16360704. Its totient is φ = 2498496.
The previous prime is 7620101. The next prime is 7620143. The reversal of 7620130 is 310267.
It is an Ulam number.
It is a junction number, because it is equal to n+sod(n) for n = 7620098 and 7620107.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 757 + ... + 3976.
It is an arithmetic number, because the mean of its divisors is an integer number (511272).
Almost surely, 27620130 is an apocalyptic number.
7620130 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
7620130 is an abundant number, since it is smaller than the sum of its proper divisors (8740574).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7620130 is a wasteful number, since it uses less digits than its factorization.
7620130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4770.
The product of its (nonzero) digits is 252, while the sum is 19.
The square root of 7620130 is about 2760.4582952836. The cubic root of 7620130 is about 196.7829469713.
Adding to 7620130 its reverse (310267), we get a palindrome (7930397).
It can be divided in two parts, 7620 and 130, that added together give a triangular number (7750 = T124).
The spelling of 7620130 in words is "seven million, six hundred twenty thousand, one hundred thirty".
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