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4985988 = 223759357
BaseRepresentation
bin10011000001010010000100
3100101022111020
4103001102010
52234022423
6254511140
760244260
oct23012204
910338436
104985988
1128a6057
1218054b0
1310575b7
1493b0a0
156874e3
hex4c1484

4985988 has 24 divisors (see below), whose sum is σ = 13296192. Its totient is φ = 1424544.

The previous prime is 4985971. The next prime is 4985989. The reversal of 4985988 is 8895894.

It is a super-2 number, since 2×49859882 = 49720152672288, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 4985988.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4985989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29595 + ... + 29762.

It is an arithmetic number, because the mean of its divisors is an integer number (554008).

Almost surely, 24985988 is an apocalyptic number.

It is an amenable number.

4985988 is an abundant number, since it is smaller than the sum of its proper divisors (8310204).

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

4985988 is a wasteful number, since it uses less digits than its factorization.

4985988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59371 (or 59369 counting only the distinct ones).

The product of its digits is 829440, while the sum is 51.

The square root of 4985988 is about 2232.9326008637. The cubic root of 4985988 is about 170.8377106685.

The spelling of 4985988 in words is "four million, nine hundred eighty-five thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 59357 118714 178071 237428 356142 415499 712284 830998 1246497 1661996 2492994 4985988