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4989628 = 2271983113
BaseRepresentation
bin10011000010001010111100
3100101111111001
4103002022330
52234132003
6254540044
760261010
oct23021274
910344431
104989628
1128a8866
121807624
131059157
1493c540
1568861d
hex4c22bc

4989628 has 48 divisors (see below), whose sum is σ = 10725120. Its totient is φ = 1983744.

The previous prime is 4989613. The next prime is 4989637. The reversal of 4989628 is 8269894.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44100 + ... + 44212.

It is an arithmetic number, because the mean of its divisors is an integer number (223440).

Almost surely, 24989628 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 4989628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5362560).

4989628 is an abundant number, since it is smaller than the sum of its proper divisors (5735492).

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

4989628 is a wasteful number, since it uses less digits than its factorization.

4989628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226 (or 224 counting only the distinct ones).

The product of its digits is 248832, while the sum is 46.

The square root of 4989628 is about 2233.7475237815. The cubic root of 4989628 is about 170.8792736781.

The spelling of 4989628 in words is "four million, nine hundred eighty-nine thousand, six hundred twenty-eight".

Divisors: 1 2 4 7 14 19 28 38 76 83 113 133 166 226 266 332 452 532 581 791 1162 1577 1582 2147 2324 3154 3164 4294 6308 8588 9379 11039 15029 18758 22078 30058 37516 44156 60116 65653 131306 178201 262612 356402 712804 1247407 2494814 4989628