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20734482 = 237347339
BaseRepresentation
bin100111100011…
…0001000010010
31110000102100210
41033012020102
520302000412
62020224550
7341145246
oct117061022
943012323
1020734482
111078213a
126b3b156
1343ac832
142a7a426
151c4883c
hex13c6212

20734482 has 16 divisors (see below), whose sum is σ = 42037920. Its totient is φ = 6816672.

The previous prime is 20734463. The next prime is 20734487. The reversal of 20734482 is 28443702.

It is not an unprimeable number, because it can be changed into a prime (20734487) 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, 23232 + ... + 24107.

It is an arithmetic number, because the mean of its divisors is an integer number (2627370).

Almost surely, 220734482 is an apocalyptic number.

20734482 is an abundant number, since it is smaller than the sum of its proper divisors (21303438).

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

20734482 is a wasteful number, since it uses less digits than its factorization.

20734482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47417.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 20734482 is about 4553.5131492069. The cubic root of 20734482 is about 274.7247140514.

It can be divided in two parts, 2073 and 4482, that added together give a triangular number (6555 = T114).

The spelling of 20734482 in words is "twenty million, seven hundred thirty-four thousand, four hundred eighty-two".

Divisors: 1 2 3 6 73 146 219 438 47339 94678 142017 284034 3455747 6911494 10367241 20734482