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20349482 = 237274993
BaseRepresentation
bin100110110100…
…0001000101010
31102021212020112
41031220020222
520202140412
62004054322
7334652636
oct115501052
942255215
1020349482
111053995a
1269943a2
1342a651a
1429b9dc6
151bbe722
hex136822a

20349482 has 8 divisors (see below), whose sum is σ = 31349316. Its totient is φ = 9899712.

The previous prime is 20349481. The next prime is 20349487. The reversal of 20349482 is 28494302.

It can be written as a sum of positive squares in 2 ways, for example, as 20349121 + 361 = 4511^2 + 19^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20349481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137423 + ... + 137570.

Almost surely, 220349482 is an apocalyptic number.

20349482 is a deficient number, since it is larger than the sum of its proper divisors (10999834).

20349482 is a wasteful number, since it uses less digits than its factorization.

20349482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275032.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 20349482 is about 4511.0400131234. The cubic root of 20349482 is about 273.0137076221.

The spelling of 20349482 in words is "twenty million, three hundred forty-nine thousand, four hundred eighty-two".

Divisors: 1 2 37 74 274993 549986 10174741 20349482