Base | Representation |
---|---|
bin | 101000100001… |
… | …000010011000 |
3 | 201222121101100 |
4 | 220201002120 |
5 | 10204333310 |
6 | 1015351400 |
7 | 156164151 |
oct | 50410230 |
9 | 21877340 |
10 | 10621080 |
11 | 5aa4858 |
12 | 3682560 |
13 | 227b482 |
14 | 15a6928 |
15 | debec0 |
hex | a21098 |
10621080 has 96 divisors (see below), whose sum is σ = 34922160. Its totient is φ = 2799360.
The previous prime is 10621063. The next prime is 10621097. The reversal of 10621080 is 8012601.
It is a Cunningham number, because it is equal to 32592-1.
It is an interprime number because it is at equal distance from previous prime (10621063) and next prime (10621097).
It is a super-2 number, since 2×106210802 = 225614680732800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58590 + ... + 58770.
Almost surely, 210621080 is an apocalyptic number.
10621080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 10621080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17461080).
10621080 is an abundant number, since it is smaller than the sum of its proper divisors (24301080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10621080 is a wasteful number, since it uses less digits than its factorization.
10621080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 361 (or 354 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 18.
The square root of 10621080 is about 3258.9998465787. Note that the first 3 decimals coincide. The cubic root of 10621080 is about 219.8144440904.
Adding to 10621080 its reverse (8012601), we get a palindrome (18633681).
The spelling of 10621080 in words is "ten million, six hundred twenty-one thousand, eighty".
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