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4889820 = 2235136269
BaseRepresentation
bin10010101001110011011100
3100012102120110
4102221303130
52222433240
6252450020
756364015
oct22516334
910172513
104889820
11283a881
121779910
1310228b0
1491400c
15668c80
hex4a9cdc

4889820 has 48 divisors (see below), whose sum is σ = 14747040. Its totient is φ = 1203456.

The previous prime is 4889813. The next prime is 4889851. The reversal of 4889820 is 289884.

It is a happy number.

4889820 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2355 + ... + 3914.

It is an arithmetic number, because the mean of its divisors is an integer number (307230).

Almost surely, 24889820 is an apocalyptic number.

It is an amenable number.

4889820 is an abundant number, since it is smaller than the sum of its proper divisors (9857220).

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

4889820 is a wasteful number, since it uses less digits than its factorization.

4889820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6294 (or 6292 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 4889820 is about 2211.2937389682. The cubic root of 4889820 is about 169.7322197116.

The spelling of 4889820 in words is "four million, eight hundred eighty-nine thousand, eight hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 6269 12538 18807 25076 31345 37614 62690 75228 81497 94035 125380 162994 188070 244491 325988 376140 407485 488982 814970 977964 1222455 1629940 2444910 4889820