Search a number
-
+
1982201472 = 27327572273
BaseRepresentation
bin111011000100101…
…1111111010000000
312010010212021020100
41312021133322000
513024420421342
6524405242400
7100056302016
oct16611377200
95103767210
101982201472
119279a0339
12473a03400
13257884ca4
1414b3848b6
15b9048e4c
hex7625fe80

1982201472 has 96 divisors (see below), whose sum is σ = 5714038980. Its totient is φ = 659570688.

The previous prime is 1982201447. The next prime is 1982201477. The reversal of 1982201472 is 2741022891.

1982201472 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1827049536 + 155151936 = 42744^2 + 12456^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1982201477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 870928 + ... + 873200.

Almost surely, 21982201472 is an apocalyptic number.

1982201472 is a gapful number since it is divisible by the number (12) 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 1982201472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2857019490).

1982201472 is an abundant number, since it is smaller than the sum of its proper divisors (3731837508).

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

1982201472 is a wasteful number, since it uses less digits than its factorization.

1982201472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3050 (or 3035 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 1982201472 is about 44521.9212523449. The cubic root of 1982201472 is about 1256.1724512017.

The spelling of 1982201472 in words is "one billion, nine hundred eighty-two million, two hundred one thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 288 384 576 757 1152 1514 2271 2273 3028 4542 4546 6056 6813 6819 9084 9092 12112 13626 13638 18168 18184 20457 24224 27252 27276 36336 36368 40914 48448 54504 54552 72672 72736 81828 96896 109008 109104 145344 145472 163656 218016 218208 290688 290944 327312 436032 436416 654624 872064 872832 1309248 1720661 2618496 3441322 5161983 6882644 10323966 13765288 15485949 20647932 27530576 30971898 41295864 55061152 61943796 82591728 110122304 123887592 165183456 220244608 247775184 330366912 495550368 660733824 991100736 1982201472