Base | Representation |
---|---|
bin | 100001010010… |
… | …001111010000 |
3 | 121102022002001 |
4 | 201102033100 |
5 | 4213203311 |
6 | 511003344 |
7 | 134110435 |
oct | 41221720 |
9 | 17368061 |
10 | 8725456 |
11 | 4a1a623 |
12 | 2b09554 |
13 | 1a666bc |
14 | 1231b8c |
15 | b754c1 |
hex | 8523d0 |
8725456 has 40 divisors (see below), whose sum is σ = 17748864. Its totient is φ = 4151040.
The previous prime is 8725429. The next prime is 8725459. The reversal of 8725456 is 6545278.
8725456 = T93 + T94 + ... + T375.
It is a happy number.
It is a super-2 number, since 2×87254562 = 152267164815872, which contains 22 as substring.
It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.
It is an alternating number because its digits alternate between even and odd.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8725459) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30691 + ... + 30973.
Almost surely, 28725456 is an apocalyptic number.
It is an amenable number.
8725456 is an abundant number, since it is smaller than the sum of its proper divisors (9023408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8725456 is a wasteful number, since it uses less digits than its factorization.
8725456 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 379 (or 373 counting only the distinct ones).
The product of its digits is 67200, while the sum is 37.
The square root of 8725456 is about 2953.8882849559. Note that the first 3 decimals coincide. The cubic root of 8725456 is about 205.8714125087.
It can be divided in two parts, 872 and 5456, that added together give a triangular number (6328 = T112).
The spelling of 8725456 in words is "eight million, seven hundred twenty-five thousand, four hundred fifty-six".
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