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20048877 = 34416037
BaseRepresentation
bin100110001111…
…0101111101101
31101201120220000
41030132233231
520113031002
61553414513
7332261352
oct114365755
941646800
1020048877
1110354022
12686a439
1341cc754
14293c629
151b6061c
hex131ebed

20048877 has 20 divisors (see below), whose sum is σ = 30685116. Its totient is φ = 13037760.

The previous prime is 20048869. The next prime is 20048881. The reversal of 20048877 is 77884002.

It can be written as a sum of positive squares in 2 ways, for example, as 2232036 + 17816841 = 1494^2 + 4221^2 .

It is not a de Polignac number, because 20048877 - 23 = 20048869 is a prime.

It is a super-2 number, since 2×200488772 = 803914937922258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20048807) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 303 + ... + 6339.

Almost surely, 220048877 is an apocalyptic number.

20048877 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

20048877 is a deficient number, since it is larger than the sum of its proper divisors (10636239).

20048877 is an equidigital number, since it uses as much as digits as its factorization.

20048877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6090 (or 6081 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 20048877 is about 4477.5972351251. The cubic root of 20048877 is about 271.6627027579.

The spelling of 20048877 in words is "twenty million, forty-eight thousand, eight hundred seventy-seven".

Divisors: 1 3 9 27 41 81 123 369 1107 3321 6037 18111 54333 162999 247517 488997 742551 2227653 6682959 20048877