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1982337492 = 223182390617
BaseRepresentation
bin111011000101000…
…0001000111010100
312010011010011211010
41312022001013110
513024434244432
6524412212220
7100060406412
oct16612010724
95104104733
101982337492
11927a83553
12473a6a070
13257901b85
1414b3bc2b2
15b90743cc
hex762811d4

1982337492 has 24 divisors (see below), whose sum is σ = 4628042496. Its totient is φ = 660409408.

The previous prime is 1982337491. The next prime is 1982337503. The reversal of 1982337492 is 2947332891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1982337491) 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, 23433 + ... + 67184.

It is an arithmetic number, because the mean of its divisors is an integer number (192835104).

Almost surely, 21982337492 is an apocalyptic number.

1982337492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1982337492 is an abundant number, since it is smaller than the sum of its proper divisors (2645705004).

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

1982337492 is a wasteful number, since it uses less digits than its factorization.

1982337492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92447 (or 92445 counting only the distinct ones).

The product of its digits is 653184, while the sum is 48.

The square root of 1982337492 is about 44523.4487882509. The cubic root of 1982337492 is about 1256.2011836777.

The spelling of 1982337492 in words is "one billion, nine hundred eighty-two million, three hundred thirty-seven thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 12 1823 3646 5469 7292 10938 21876 90617 181234 271851 362468 543702 1087404 165194791 330389582 495584373 660779164 991168746 1982337492