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2489000 = 235319131
BaseRepresentation
bin1001011111101010101000
311200110021012
421133222220
51114122000
6125203052
730104363
oct11375250
94613235
102489000
111450028
12a00488
13691ba7
1448b0da
15342735
hex25faa8

2489000 has 64 divisors (see below), whose sum is σ = 6177600. Its totient is φ = 936000.

The previous prime is 2488973. The next prime is 2489017. The reversal of 2489000 is 9842.

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, 18935 + ... + 19065.

It is an arithmetic number, because the mean of its divisors is an integer number (96525).

22489000 is an apocalyptic number.

2489000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2489000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3088800).

2489000 is an abundant number, since it is smaller than the sum of its proper divisors (3688600).

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

2489000 is a wasteful number, since it uses less digits than its factorization.

2489000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 2489000 is about 1577.6564898608. The cubic root of 2489000 is about 135.5215308714.

The spelling of 2489000 in words is "two million, four hundred eighty-nine thousand".

Divisors: 1 2 4 5 8 10 19 20 25 38 40 50 76 95 100 125 131 152 190 200 250 262 380 475 500 524 655 760 950 1000 1048 1310 1900 2375 2489 2620 3275 3800 4750 4978 5240 6550 9500 9956 12445 13100 16375 19000 19912 24890 26200 32750 49780 62225 65500 99560 124450 131000 248900 311125 497800 622250 1244500 2489000