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1982336480 = 25512389603
BaseRepresentation
bin111011000101000…
…0000110111100000
312010011010010102122
41312022000313200
513024434231410
6524412203412
7100060403435
oct16612006740
95104103378
101982336480
11927a82813
12473a69568
13257901587
1414b3bbb8c
15b9073e55
hex76280de0

1982336480 has 24 divisors (see below), whose sum is σ = 4683270312. Its totient is φ = 792934528.

The previous prime is 1982336467. The next prime is 1982336537. The reversal of 1982336480 is 846332891.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6194642 + ... + 6194961.

It is an arithmetic number, because the mean of its divisors is an integer number (195136263).

Almost surely, 21982336480 is an apocalyptic number.

1982336480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1982336480 is an abundant number, since it is smaller than the sum of its proper divisors (2700933832).

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

1982336480 is a wasteful number, since it uses less digits than its factorization.

1982336480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12389618 (or 12389610 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 1982336480 is about 44523.4374234515. The cubic root of 1982336480 is about 1256.2009699106.

The spelling of 1982336480 in words is "one billion, nine hundred eighty-two million, three hundred thirty-six thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 12389603 24779206 49558412 61948015 99116824 123896030 198233648 247792060 396467296 495584120 991168240 1982336480