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4988740 = 225249437
BaseRepresentation
bin10011000001111101000100
3100101110021011
4103001331010
52234114430
6254532004
760255301
oct23017504
910343234
104988740
1128a8129
121807004
131058923
1493c0a8
1568822a
hex4c1f44

4988740 has 12 divisors (see below), whose sum is σ = 10476396. Its totient is φ = 1995488.

The previous prime is 4988719. The next prime is 4988741. The reversal of 4988740 is 478894.

It can be written as a sum of positive squares in 2 ways, for example, as 695556 + 4293184 = 834^2 + 2072^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4988693 and 4988702.

It is not an unprimeable number, because it can be changed into a prime (4988741) 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, 124699 + ... + 124738.

It is an arithmetic number, because the mean of its divisors is an integer number (873033).

Almost surely, 24988740 is an apocalyptic number.

It is an amenable number.

4988740 is an abundant number, since it is smaller than the sum of its proper divisors (5487656).

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

4988740 is a wasteful number, since it uses less digits than its factorization.

4988740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249446 (or 249444 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 4988740 is about 2233.5487458303. The cubic root of 4988740 is about 170.8691359953.

The spelling of 4988740 in words is "four million, nine hundred eighty-eight thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 249437 498874 997748 1247185 2494370 4988740