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4988820 = 2235176773
BaseRepresentation
bin10011000001111110010100
3100101110101010
4103001332110
52234120240
6254532220
760255444
oct23017624
910343333
104988820
1128a81a1
121807070
131058985
1493c124
15688280
hex4c1f94

4988820 has 96 divisors (see below), whose sum is σ = 15216768. Its totient is φ = 1216512.

The previous prime is 4988761. The next prime is 4988831. The reversal of 4988820 is 288894.

4988820 = T185 + T186 + ... + T330.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68304 + ... + 68376.

It is an arithmetic number, because the mean of its divisors is an integer number (158508).

Almost surely, 24988820 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 4988820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7608384).

4988820 is an abundant number, since it is smaller than the sum of its proper divisors (10227948).

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

4988820 is a wasteful number, since it uses less digits than its factorization.

4988820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 4988820 is about 2233.5666544789. The cubic root of 4988820 is about 170.8700493494.

The spelling of 4988820 in words is "four million, nine hundred eighty-eight thousand, eight hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 30 34 51 60 67 68 73 85 102 134 146 170 201 204 219 255 268 292 335 340 365 402 438 510 670 730 804 876 1005 1020 1095 1139 1241 1340 1460 2010 2190 2278 2482 3417 3723 4020 4380 4556 4891 4964 5695 6205 6834 7446 9782 11390 12410 13668 14673 14892 17085 18615 19564 22780 24455 24820 29346 34170 37230 48910 58692 68340 73365 74460 83147 97820 146730 166294 249441 293460 332588 415735 498882 831470 997764 1247205 1662940 2494410 4988820