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20877316 = 2214473607
BaseRepresentation
bin100111110100…
…1000000000100
31110021200021221
41033221000010
520321033231
62023250124
7342311545
oct117510004
943250257
1020877316
111086a489
126ba9944
13442c855
142ab64cc
151c75d11
hex13e9004

20877316 has 12 divisors (see below), whose sum is σ = 36570688. Its totient is φ = 10428552.

The previous prime is 20877313. The next prime is 20877347. The reversal of 20877316 is 61377802.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (20877313) 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, 3985 + ... + 7591.

Almost surely, 220877316 is an apocalyptic number.

It is an amenable number.

20877316 is a deficient number, since it is larger than the sum of its proper divisors (15693372).

20877316 is a wasteful number, since it uses less digits than its factorization.

20877316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5058 (or 5056 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 20877316 is about 4569.1701653583. The cubic root of 20877316 is about 275.3541047216.

The spelling of 20877316 in words is "twenty million, eight hundred seventy-seven thousand, three hundred sixteen".

Divisors: 1 2 4 1447 2894 3607 5788 7214 14428 5219329 10438658 20877316