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16628248 = 2372132251
BaseRepresentation
bin111111011011…
…101000011000
31011021210200001
4333123220120
513224100443
61352222344
7261223600
oct77335030
934253601
1016628248
11942805a
12569a9b4
1335a2800
1422cbc00
1516d6d4d
hexfdba18

16628248 has 72 divisors (see below), whose sum is σ = 39429180. Its totient is φ = 6552000.

The previous prime is 16628243. The next prime is 16628257. The reversal of 16628248 is 84282661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16628243) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 66123 + ... + 66373.

Almost surely, 216628248 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 16628248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19714590).

16628248 is an abundant number, since it is smaller than the sum of its proper divisors (22800932).

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

16628248 is a wasteful number, since it uses less digits than its factorization.

16628248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297 (or 273 counting only the distinct ones).

The product of its digits is 36864, while the sum is 37.

The square root of 16628248 is about 4077.7748834383. The cubic root of 16628248 is about 255.2400558844.

The spelling of 16628248 in words is "sixteen million, six hundred twenty-eight thousand, two hundred forty-eight".

Divisors: 1 2 4 7 8 13 14 26 28 49 52 56 91 98 104 169 182 196 251 338 364 392 502 637 676 728 1004 1183 1274 1352 1757 2008 2366 2548 3263 3514 4732 5096 6526 7028 8281 9464 12299 13052 14056 16562 22841 24598 26104 33124 42419 45682 49196 66248 84838 91364 98392 159887 169676 182728 296933 319774 339352 593866 639548 1187732 1279096 2078531 2375464 4157062 8314124 16628248