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4978608 = 2431953103
BaseRepresentation
bin10010111111011110110000
3100100221100220
4102333132300
52233303413
6254413040
760213615
oct22773660
910327326
104978608
1128a0558
121801180
13105412b
1493850c
15685223
hex4bf7b0

4978608 has 80 divisors (see below), whose sum is σ = 13927680. Its totient is φ = 1527552.

The previous prime is 4978607. The next prime is 4978651. The reversal of 4978608 is 8068794.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4978608.

It is not an unprimeable number, because it can be changed into a prime (4978607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48285 + ... + 48387.

It is an arithmetic number, because the mean of its divisors is an integer number (174096).

Almost surely, 24978608 is an apocalyptic number.

4978608 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4978608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6963840).

4978608 is an abundant number, since it is smaller than the sum of its proper divisors (8949072).

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

4978608 is a wasteful number, since it uses less digits than its factorization.

4978608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 4978608 is about 2231.2794535871. The cubic root of 4978608 is about 170.7533806845.

The spelling of 4978608 in words is "four million, nine hundred seventy-eight thousand, six hundred eight".

Divisors: 1 2 3 4 6 8 12 16 19 24 38 48 53 57 76 103 106 114 152 159 206 212 228 304 309 318 412 424 456 618 636 824 848 912 1007 1236 1272 1648 1957 2014 2472 2544 3021 3914 4028 4944 5459 5871 6042 7828 8056 10918 11742 12084 15656 16112 16377 21836 23484 24168 31312 32754 43672 46968 48336 65508 87344 93936 103721 131016 207442 262032 311163 414884 622326 829768 1244652 1659536 2489304 4978608