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4897830 = 235783281
BaseRepresentation
bin10010101011110000100110
3100012211120010
4102223300212
52223212310
6252551050
756426250
oct22536046
910184503
104897830
1128458a3
121782486
131026432
14916cd0
1566b320
hex4abc26

4897830 has 64 divisors (see below), whose sum is σ = 13644288. Its totient is φ = 1102080.

The previous prime is 4897811. The next prime is 4897831. The reversal of 4897830 is 387984.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4897831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17290 + ... + 17570.

It is an arithmetic number, because the mean of its divisors is an integer number (213192).

Almost surely, 24897830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4897830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6822144).

4897830 is an abundant number, since it is smaller than the sum of its proper divisors (8746458).

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

4897830 is a wasteful number, since it uses less digits than its factorization.

4897830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 4897830 is about 2213.1041548016. The cubic root of 4897830 is about 169.8248484378.

The spelling of 4897830 in words is "four million, eight hundred ninety-seven thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 83 105 166 210 249 281 415 498 562 581 830 843 1162 1245 1405 1686 1743 1967 2490 2810 2905 3486 3934 4215 5810 5901 8430 8715 9835 11802 17430 19670 23323 29505 46646 59010 69969 116615 139938 163261 233230 326522 349845 489783 699690 816305 979566 1632610 2448915 4897830