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4988564 = 227199377
BaseRepresentation
bin10011000001111010010100
3100101110000122
4103001322110
52234113224
6254531112
760254630
oct23017224
910343018
104988564
1128a7a89
121806a98
131058819
1493bdc0
1568815e
hex4c1e94

4988564 has 24 divisors (see below), whose sum is σ = 10503360. Its totient is φ = 2025216.

The previous prime is 4988563. The next prime is 4988569. The reversal of 4988564 is 4658894.

4988564 = T237 + T238 + ... + T350.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4988563) 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, 4157 + ... + 5220.

It is an arithmetic number, because the mean of its divisors is an integer number (437640).

Almost surely, 24988564 is an apocalyptic number.

It is an amenable number.

4988564 is an abundant number, since it is smaller than the sum of its proper divisors (5514796).

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

4988564 is a wasteful number, since it uses less digits than its factorization.

4988564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9407 (or 9405 counting only the distinct ones).

The product of its digits is 276480, while the sum is 44.

The square root of 4988564 is about 2233.5093462979. The cubic root of 4988564 is about 170.8671265820.

The spelling of 4988564 in words is "four million, nine hundred eighty-eight thousand, five hundred sixty-four".

Divisors: 1 2 4 7 14 19 28 38 76 133 266 532 9377 18754 37508 65639 131278 178163 262556 356326 712652 1247141 2494282 4988564