Base | Representation |
---|---|
bin | 11001100100010… |
… | …01011001011000 |
3 | 112221120022122210 |
4 | 30302021121120 |
5 | 414401103110 |
6 | 33140515120 |
7 | 5212661421 |
oct | 1462113130 |
9 | 487508583 |
10 | 214472280 |
11 | 100078220 |
12 | 5b9abaa0 |
13 | 35583699 |
14 | 206ac648 |
15 | 13c67520 |
hex | cc89658 |
214472280 has 128 divisors (see below), whose sum is σ = 717050880. Its totient is φ = 50872320.
The previous prime is 214472227. The next prime is 214472287. The reversal of 214472280 is 82274412.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (214472287) 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, 60312 + ... + 63768.
It is an arithmetic number, because the mean of its divisors is an integer number (5601960).
Almost surely, 2214472280 is an apocalyptic number.
214472280 is a gapful number since it is divisible by the number (20) 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 214472280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358525440).
214472280 is an abundant number, since it is smaller than the sum of its proper divisors (502578600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
214472280 is a wasteful number, since it uses less digits than its factorization.
214472280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3529 (or 3525 counting only the distinct ones).
The product of its (nonzero) digits is 7168, while the sum is 30.
The square root of 214472280 is about 14644.8721401042. The cubic root of 214472280 is about 598.5820963326.
The spelling of 214472280 in words is "two hundred fourteen million, four hundred seventy-two thousand, two hundred eighty".
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