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4800087 = 331391279
BaseRepresentation
bin10010010011111001010111
3100000212111000
4102103321113
52212100322
6250514343
755541265
oct22237127
910025430
104800087
112789416
1217359b3
13cc0ab6
148cd435
1564c3ac
hex493e57

4800087 has 16 divisors (see below), whose sum is σ = 7168000. Its totient is φ = 3174552.

The previous prime is 4800083. The next prime is 4800091. The reversal of 4800087 is 7800084.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4800083) and next prime (4800091).

It is not a de Polignac number, because 4800087 - 22 = 4800083 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4800087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4800083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3114 + ... + 4392.

It is an arithmetic number, because the mean of its divisors is an integer number (448000).

Almost surely, 24800087 is an apocalyptic number.

4800087 is a deficient number, since it is larger than the sum of its proper divisors (2367913).

4800087 is a wasteful number, since it uses less digits than its factorization.

4800087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427 (or 1421 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 4800087 is about 2190.9100848734. The cubic root of 4800087 is about 168.6875522020.

The spelling of 4800087 in words is "four million, eight hundred thousand, eighty-seven".

Divisors: 1 3 9 27 139 417 1251 1279 3753 3837 11511 34533 177781 533343 1600029 4800087