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4902820 = 22513109173
BaseRepresentation
bin10010101100111110100100
3100020002101221
4102230332210
52223342240
6253030124
756446636
oct22547644
910202357
104902820
11284961a
121785344
1310287a0
14918a56
1566ca4a
hex4acfa4

4902820 has 48 divisors (see below), whose sum is σ = 11254320. Its totient is φ = 1783296.

The previous prime is 4902811. The next prime is 4902823. The reversal of 4902820 is 282094.

4902820 = 2422 + 2432 + ... + 3062.

It can be written as a sum of positive squares in 8 ways, for example, as 27556 + 4875264 = 166^2 + 2208^2 .

It is not an unprimeable number, because it can be changed into a prime (4902823) 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, 28254 + ... + 28426.

It is an arithmetic number, because the mean of its divisors is an integer number (234465).

Almost surely, 24902820 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 4902820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5627160).

4902820 is an abundant number, since it is smaller than the sum of its proper divisors (6351500).

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

4902820 is a wasteful number, since it uses less digits than its factorization.

4902820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 4902820 is about 2214.2312435697. The cubic root of 4902820 is about 169.8825024305.

The spelling of 4902820 in words is "four million, nine hundred two thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 109 130 173 218 260 346 436 545 692 865 1090 1417 1730 2180 2249 2834 3460 4498 5668 7085 8996 11245 14170 18857 22490 28340 37714 44980 75428 94285 188570 245141 377140 490282 980564 1225705 2451410 4902820