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4887840 = 253517599
BaseRepresentation
bin10010101001010100100000
3100012022212010
4102221110200
52222402330
6252432520
756355156
oct22512440
910168763
104887840
112839341
121778740
131021a19
149133d6
156683b0
hex4a9520

4887840 has 96 divisors (see below), whose sum is σ = 16329600. Its totient is φ = 1224704.

The previous prime is 4887833. The next prime is 4887847. The reversal of 4887840 is 487884.

It is an interprime number because it is at equal distance from previous prime (4887833) and next prime (4887847).

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (4887847) 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, 7861 + ... + 8459.

It is an arithmetic number, because the mean of its divisors is an integer number (170100).

Almost surely, 24887840 is an apocalyptic number.

4887840 is a gapful number since it is divisible by the number (40) 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 4887840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8164800).

4887840 is an abundant number, since it is smaller than the sum of its proper divisors (11441760).

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

4887840 is a wasteful number, since it uses less digits than its factorization.

4887840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634 (or 626 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 39.

The square root of 4887840 is about 2210.8459919225. The cubic root of 4887840 is about 169.7093071323.

The spelling of 4887840 in words is "four million, eight hundred eighty-seven thousand, eight hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 32 34 40 48 51 60 68 80 85 96 102 120 136 160 170 204 240 255 272 340 408 480 510 544 599 680 816 1020 1198 1360 1632 1797 2040 2396 2720 2995 3594 4080 4792 5990 7188 8160 8985 9584 10183 11980 14376 17970 19168 20366 23960 28752 30549 35940 40732 47920 50915 57504 61098 71880 81464 95840 101830 122196 143760 152745 162928 203660 244392 287520 305490 325856 407320 488784 610980 814640 977568 1221960 1629280 2443920 4887840