[go: up one dir, main page]

Search a number
-
+
1485800 = 2352171923
BaseRepresentation
bin101101010101111101000
32210111010122
411222233220
5340021200
651502412
715425531
oct5525750
92714118
101485800
11925338
125b7a08
13400394
142a9688
151e5385
hex16abe8

1485800 has 96 divisors (see below), whose sum is σ = 4017600. Its totient is φ = 506880.

The previous prime is 1485793. The next prime is 1485821. The reversal of 1485800 is 85841.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1485800.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64589 + ... + 64611.

It is an arithmetic number, because the mean of its divisors is an integer number (41850).

21485800 is an apocalyptic number.

1485800 is a gapful number since it is divisible by the number (10) 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 1485800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2008800).

1485800 is an abundant number, since it is smaller than the sum of its proper divisors (2531800).

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

1485800 is a wasteful number, since it uses less digits than its factorization.

1485800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 1485800 is about 1218.9339604753. The cubic root of 1485800 is about 114.1090574310.

The spelling of 1485800 in words is "one million, four hundred eighty-five thousand, eight hundred".

Divisors: 1 2 4 5 8 10 17 19 20 23 25 34 38 40 46 50 68 76 85 92 95 100 115 136 152 170 184 190 200 230 323 340 380 391 425 437 460 475 575 646 680 760 782 850 874 920 950 1150 1292 1564 1615 1700 1748 1900 1955 2185 2300 2584 3128 3230 3400 3496 3800 3910 4370 4600 6460 7429 7820 8075 8740 9775 10925 12920 14858 15640 16150 17480 19550 21850 29716 32300 37145 39100 43700 59432 64600 74290 78200 87400 148580 185725 297160 371450 742900 1485800