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4913920 = 28511349
BaseRepresentation
bin10010101111101100000000
3100020122122001
4102233230000
52224221140
6253153344
756524204
oct22575400
910218561
104913920
1128569a0
12178b854
13103085b
1491cb04
15670e9a
hex4afb00

4913920 has 72 divisors (see below), whose sum is σ = 12877200. Its totient is φ = 1781760.

The previous prime is 4913917. The next prime is 4913921. The reversal of 4913920 is 293194.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4913921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13906 + ... + 14254.

It is an arithmetic number, because the mean of its divisors is an integer number (178850).

Almost surely, 24913920 is an apocalyptic number.

4913920 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 4913920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6438600).

4913920 is an abundant number, since it is smaller than the sum of its proper divisors (7963280).

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

4913920 is a wasteful number, since it uses less digits than its factorization.

4913920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 4913920 is about 2216.7363397572. The cubic root of 4913920 is about 170.0106106411.

The spelling of 4913920 in words is "four million, nine hundred thirteen thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 64 80 88 110 128 160 176 220 256 320 349 352 440 640 698 704 880 1280 1396 1408 1745 1760 2792 2816 3490 3520 3839 5584 6980 7040 7678 11168 13960 14080 15356 19195 22336 27920 30712 38390 44672 55840 61424 76780 89344 111680 122848 153560 223360 245696 307120 446720 491392 614240 982784 1228480 2456960 4913920