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12485248 = 27103947
BaseRepresentation
bin101111101000…
…001010000000
3212111022112121
4233220022000
511144011443
61123334024
7211060066
oct57501200
925438477
1012485248
117058396
124221314
132781b29
141930036
1511694ed
hexbe8280

12485248 has 32 divisors (see below), whose sum is σ = 25140960. Its totient is φ = 6175488.

The previous prime is 12485233. The next prime is 12485267. The reversal of 12485248 is 84258421.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12711 + ... + 13657.

It is an arithmetic number, because the mean of its divisors is an integer number (785655).

Almost surely, 212485248 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 12485248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12570480).

12485248 is an abundant number, since it is smaller than the sum of its proper divisors (12655712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12485248 is an equidigital number, since it uses as much as digits as its factorization.

12485248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064 (or 1052 counting only the distinct ones).

The product of its digits is 20480, while the sum is 34.

The square root of 12485248 is about 3533.4470421955. The cubic root of 12485248 is about 231.9881087841.

The spelling of 12485248 in words is "twelve million, four hundred eighty-five thousand, two hundred forty-eight".

Divisors: 1 2 4 8 16 32 64 103 128 206 412 824 947 1648 1894 3296 3788 6592 7576 13184 15152 30304 60608 97541 121216 195082 390164 780328 1560656 3121312 6242624 12485248