Search a number
-
+
981483620 = 2251328313339
BaseRepresentation
bin111010100000000…
…100000001100100
32112101211112102012
4322200010001210
54002224433440
6241220333352
733215321165
oct7240040144
92471745365
10981483620
11464027197
12234844258
13128456150
14944cb76c
155b274e65
hex3a804064

981483620 has 48 divisors (see below), whose sum is σ = 2227673280. Its totient is φ = 361086336.

The previous prime is 981483583. The next prime is 981483631. The reversal of 981483620 is 26384189.

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, 66911 + ... + 80249.

It is an arithmetic number, because the mean of its divisors is an integer number (46409860).

Almost surely, 2981483620 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 981483620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1113836640).

981483620 is an abundant number, since it is smaller than the sum of its proper divisors (1246189660).

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

981483620 is a wasteful number, since it uses less digits than its factorization.

981483620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13644 (or 13642 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 981483620 is about 31328.6389745868. The cubic root of 981483620 is about 993.7893814015.

The spelling of 981483620 in words is "nine hundred eighty-one million, four hundred eighty-three thousand, six hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 283 566 1132 1415 2830 3679 5660 7358 13339 14716 18395 26678 36790 53356 66695 73580 133390 173407 266780 346814 693628 867035 1734070 3468140 3774937 7549874 15099748 18874685 37749370 49074181 75498740 98148362 196296724 245370905 490741810 981483620