| Base | Representation |
|---|---|
| bin | 11001011010001… |
| … | …11101101001000 |
| 3 | 112212002101012000 |
| 4 | 30231013231020 |
| 5 | 414031422012 |
| 6 | 33052351000 |
| 7 | 5165533035 |
| oct | 1455075510 |
| 9 | 485071160 |
| 10 | 213154632 |
| 11 | aa358259 |
| 12 | 5b475460 |
| 13 | 35211a02 |
| 14 | 2044838c |
| 15 | 13aa6ddc |
| hex | cb47b48 |
213154632 has 128 divisors (see below), whose sum is σ = 615600000. Its totient is φ = 68283648.
The previous prime is 213154631. The next prime is 213154633. The reversal of 213154632 is 236451312.
213154632 is a `hidden beast` number, since 2 + 13 + 15 + 4 + 632 = 666.
213154632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (213154631) and next prime (213154633).
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 213154596 and 213154605.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213154631) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1190719 + ... + 1190897.
It is an arithmetic number, because the mean of its divisors is an integer number (4809375).
Almost surely, 2213154632 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 213154632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307800000).
213154632 is an abundant number, since it is smaller than the sum of its proper divisors (402445368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213154632 is a wasteful number, since it uses less digits than its factorization.
213154632 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 380 (or 370 counting only the distinct ones).
The product of its digits is 4320, while the sum is 27.
The square root of 213154632 is about 14599.8161632262. The cubic root of 213154632 is about 597.3537460583.
The spelling of 213154632 in words is "two hundred thirteen million, one hundred fifty-four thousand, six hundred thirty-two".
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