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20176242 = 2321115937
BaseRepresentation
bin100110011110…
…1110101110010
31101222001121020
41030331311302
520131114432
62000240310
7333331602
oct114756562
941861536
1020176242
1110430789
126910096
134245708
142972c02
151b8822c
hex133dd72

20176242 has 16 divisors (see below), whose sum is σ = 40546272. Its totient is φ = 6693120.

The previous prime is 20176237. The next prime is 20176243. The reversal of 20176242 is 24267102.

It is not an unprimeable number, because it can be changed into a prime (20176243) 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, 6703 + ... + 9234.

It is an arithmetic number, because the mean of its divisors is an integer number (2534142).

Almost surely, 220176242 is an apocalyptic number.

20176242 is an abundant number, since it is smaller than the sum of its proper divisors (20370030).

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

20176242 is a wasteful number, since it uses less digits than its factorization.

20176242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16153.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 20176242 is about 4491.7971904350. The cubic root of 20176242 is about 272.2367550080.

The spelling of 20176242 in words is "twenty million, one hundred seventy-six thousand, two hundred forty-two".

Divisors: 1 2 3 6 211 422 633 1266 15937 31874 47811 95622 3362707 6725414 10088121 20176242