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4879940 = 225131372
BaseRepresentation
bin10010100111011001000100
3100011221000112
4102213121010
52222124230
6252332152
756323142
oct22473104
910157015
104879940
11283340a
121774058
13101b250
14910592
15665d95
hex4a7644

4879940 has 36 divisors (see below), whose sum is σ = 11117316. Its totient is φ = 1788672.

The previous prime is 4879937. The next prime is 4879951. The reversal of 4879940 is 499784.

It can be written as a sum of positive squares in 6 ways, for example, as 153664 + 4726276 = 392^2 + 2174^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35552 + ... + 35688.

Almost surely, 24879940 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4879940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5558658).

4879940 is an abundant number, since it is smaller than the sum of its proper divisors (6237376).

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

4879940 is a wasteful number, since it uses less digits than its factorization.

4879940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 4879940 is about 2209.0586230338. The cubic root of 4879940 is about 169.6178266090.

The spelling of 4879940 in words is "four million, eight hundred seventy-nine thousand, nine hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 137 260 274 548 685 1370 1781 2740 3562 7124 8905 17810 18769 35620 37538 75076 93845 187690 243997 375380 487994 975988 1219985 2439970 4879940