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1152082220 = 225260922079
BaseRepresentation
bin100010010101011…
…0110000100101100
32222021211211200212
41010222312010230
54324413112340
6310153041552
740356352202
oct10452660454
92867754625
101152082220
11541358473
122819b62b8
131548b7a73
14ad019072
156b222a65
hex44ab612c

1152082220 has 24 divisors (see below), whose sum is σ = 2420409600. Its totient is φ = 460635392.

The previous prime is 1152082199. The next prime is 1152082229. The reversal of 1152082220 is 222802511.

It is not an unprimeable number, because it can be changed into a prime (1152082229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41141 + ... + 63219.

It is an arithmetic number, because the mean of its divisors is an integer number (100850400).

Almost surely, 21152082220 is an apocalyptic number.

1152082220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1152082220 is an abundant number, since it is smaller than the sum of its proper divisors (1268327380).

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

1152082220 is a wasteful number, since it uses less digits than its factorization.

1152082220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24697 (or 24695 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 1152082220 is about 33942.3366903341. The cubic root of 1152082220 is about 1048.3214965992.

Adding to 1152082220 its reverse (222802511), we get a palindrome (1374884731).

The spelling of 1152082220 in words is "one billion, one hundred fifty-two million, eighty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 2609 5218 10436 13045 22079 26090 44158 52180 88316 110395 220790 441580 57604111 115208222 230416444 288020555 576041110 1152082220