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2728416988 = 221162009477
BaseRepresentation
bin1010001010100000…
…0101011011011100
321001010222221111001
42202220011123130
521041433320423
61130423240044
7124420106323
oct24250053334
97033887431
102728416988
111180136080
126418a9024
1334635602b
141bc50d0ba
1510e7e9cad
hexa2a056dc

2728416988 has 12 divisors (see below), whose sum is σ = 5208796152. Its totient is φ = 1240189520.

The previous prime is 2728416983. The next prime is 2728416991. The reversal of 2728416988 is 8896148272.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2728416983) 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, 31004695 + ... + 31004782.

It is an arithmetic number, because the mean of its divisors is an integer number (434066346).

Almost surely, 22728416988 is an apocalyptic number.

It is an amenable number.

2728416988 is a deficient number, since it is larger than the sum of its proper divisors (2480379164).

2728416988 is a wasteful number, since it uses less digits than its factorization.

2728416988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62009492 (or 62009490 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 55.

The square root of 2728416988 is about 52234.2511002120. The cubic root of 2728416988 is about 1397.3447952804.

The spelling of 2728416988 in words is "two billion, seven hundred twenty-eight million, four hundred sixteen thousand, nine hundred eighty-eight".

Divisors: 1 2 4 11 22 44 62009477 124018954 248037908 682104247 1364208494 2728416988