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19797482 = 225313911
BaseRepresentation
bin100101110000…
…1010111101010
31101020211001002
41023201113222
520032004412
61544155002
7330163415
oct113412752
941224032
1019797482
11101a2161
126768a62
1341421b3
1428b4b7c
151b10dc2
hex12e15ea

19797482 has 8 divisors (see below), whose sum is σ = 29715552. Its totient is φ = 9892300.

The previous prime is 19797473. The next prime is 19797493. The reversal of 19797482 is 28479791.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 3107 + ... + 7017.

It is an arithmetic number, because the mean of its divisors is an integer number (3714444).

Almost surely, 219797482 is an apocalyptic number.

19797482 is a deficient number, since it is larger than the sum of its proper divisors (9918070).

19797482 is a wasteful number, since it uses less digits than its factorization.

19797482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6444.

The product of its digits is 254016, while the sum is 47.

The square root of 19797482 is about 4449.4361440524. The cubic root of 19797482 is about 270.5224543255.

It can be divided in two parts, 197 and 97482, that added together give a palindrome (97679).

The spelling of 19797482 in words is "nineteen million, seven hundred ninety-seven thousand, four hundred eighty-two".

Divisors: 1 2 2531 3911 5062 7822 9898741 19797482