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1208880 = 243252373
BaseRepresentation
bin100100111001000110000
32021102021100
410213020300
5302141010
641524400
713163301
oct4471060
92242240
101208880
11756282
124a3700
1333431a
142367a8
1518d2c0
hex127230

1208880 has 120 divisors (see below), whose sum is σ = 4294368. Its totient is φ = 304128.

The previous prime is 1208873. The next prime is 1208927. The reversal of 1208880 is 888021.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×12088802 = 2922781708800, which contains 22 as substring.

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, 16524 + ... + 16596.

21208880 is an apocalyptic number.

1208880 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 1208880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2147184).

1208880 is an abundant number, since it is smaller than the sum of its proper divisors (3085488).

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

1208880 is a wasteful number, since it uses less digits than its factorization.

1208880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 27.

The square root of 1208880 is about 1099.4907912302. The cubic root of 1208880 is about 106.5273354417.

The spelling of 1208880 in words is "one million, two hundred eight thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 23 24 30 36 40 45 46 48 60 69 72 73 80 90 92 115 120 138 144 146 180 184 207 219 230 240 276 292 345 360 365 368 414 438 460 552 584 657 690 720 730 828 876 920 1035 1095 1104 1168 1314 1380 1460 1656 1679 1752 1840 2070 2190 2628 2760 2920 3285 3312 3358 3504 4140 4380 5037 5256 5520 5840 6570 6716 8280 8395 8760 10074 10512 13140 13432 15111 16560 16790 17520 20148 25185 26280 26864 30222 33580 40296 50370 52560 60444 67160 75555 80592 100740 120888 134320 151110 201480 241776 302220 402960 604440 1208880