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4865420 = 2257231511
BaseRepresentation
bin10010100011110110001100
3100011012002202
4102203312030
52221143140
6252141032
756232620
oct22436614
910135082
104865420
11282350a
121767778
131014761
14909180
15661915
hex4a3d8c

4865420 has 48 divisors (see below), whose sum is σ = 12192768. Its totient is φ = 1594560.

The previous prime is 4865353. The next prime is 4865431. The reversal of 4865420 is 245684.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2465 + ... + 3975.

It is an arithmetic number, because the mean of its divisors is an integer number (254016).

Almost surely, 24865420 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 4865420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6096384).

4865420 is an abundant number, since it is smaller than the sum of its proper divisors (7327348).

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

4865420 is a wasteful number, since it uses less digits than its factorization.

4865420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550 (or 1548 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 4865420 is about 2205.7697069277. The cubic root of 4865420 is about 169.4494298950.

The spelling of 4865420 in words is "four million, eight hundred sixty-five thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 23 28 35 46 70 92 115 140 161 230 322 460 644 805 1511 1610 3022 3220 6044 7555 10577 15110 21154 30220 34753 42308 52885 69506 105770 139012 173765 211540 243271 347530 486542 695060 973084 1216355 2432710 4865420