Base | Representation |
---|---|
bin | 11011001000101… |
… | …00001100101101 |
3 | 120212022111001100 |
4 | 31210110030231 |
5 | 431232424400 |
6 | 34330433313 |
7 | 5432525010 |
oct | 1544241455 |
9 | 525274040 |
10 | 227623725 |
11 | 10754008a |
12 | 64292839 |
13 | 382097c4 |
14 | 22333377 |
15 | 14eb4100 |
hex | d91432d |
227623725 has 72 divisors (see below), whose sum is σ = 476919872. Its totient is φ = 101606400.
The previous prime is 227623703. The next prime is 227623729. The reversal of 227623725 is 527326722.
227623725 is a `hidden beast` number, since 2 + 2 + 7 + 623 + 7 + 25 = 666.
It is not a de Polignac number, because 227623725 - 26 = 227623661 is a prime.
It is a Duffinian number.
It is a plaindrome in base 14.
It is a zygodrome in base 14.
It is a self number, because there is not a number n which added to its sum of digits gives 227623725.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (227623729) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 66045 + ... + 69405.
Almost surely, 2227623725 is an apocalyptic number.
227623725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
227623725 is an abundant number, since it is smaller than the sum of its proper divisors (249296147).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
227623725 is a wasteful number, since it uses less digits than its factorization.
227623725 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3427 (or 3419 counting only the distinct ones).
The product of its digits is 70560, while the sum is 36.
The square root of 227623725 is about 15087.2040153237. The cubic root of 227623725 is about 610.5752210880.
The spelling of 227623725 in words is "two hundred twenty-seven million, six hundred twenty-three thousand, seven hundred twenty-five".
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