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20198482 = 2171931267
BaseRepresentation
bin100110100001…
…1010001010010
31102000012002221
41031003101102
520132322412
62000531254
7333453463
oct115032122
942005087
1020198482
1110446467
126920b2a
134252885
14297ad6a
151b8eb07
hex1343452

20198482 has 16 divisors (see below), whose sum is σ = 33769440. Its totient is φ = 9004608.

The previous prime is 20198449. The next prime is 20198489. The reversal of 20198482 is 28489102.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (20198489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14988 + ... + 16279.

It is an arithmetic number, because the mean of its divisors is an integer number (2110590).

Almost surely, 220198482 is an apocalyptic number.

20198482 is a deficient number, since it is larger than the sum of its proper divisors (13570958).

20198482 is a wasteful number, since it uses less digits than its factorization.

20198482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31305.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 20198482 is about 4494.2721323925. The cubic root of 20198482 is about 272.3367459144.

It can be divided in two parts, 2019 and 8482, that added together give a palindrome (10501).

The spelling of 20198482 in words is "twenty million, one hundred ninety-eight thousand, four hundred eighty-two".

Divisors: 1 2 17 19 34 38 323 646 31267 62534 531539 594073 1063078 1188146 10099241 20198482