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4885290 = 23251731103
BaseRepresentation
bin10010101000101100101010
3100012012100200
4102220230222
52222312130
6252413030
756344554
oct22505452
910165320
104885290
112837433
121777176
131020807
149124d4
15667760
hex4a8b2a

4885290 has 96 divisors (see below), whose sum is σ = 14017536. Its totient is φ = 1175040.

The previous prime is 4885289. The next prime is 4885301. The reversal of 4885290 is 925884.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47379 + ... + 47481.

It is an arithmetic number, because the mean of its divisors is an integer number (146016).

Almost surely, 24885290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4885290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7008768).

4885290 is an abundant number, since it is smaller than the sum of its proper divisors (9132246).

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

4885290 is a wasteful number, since it uses less digits than its factorization.

4885290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 4885290 is about 2210.2692143719. The cubic root of 4885290 is about 169.6797893895.

It can be divided in two parts, 488 and 5290, that added together give a triangular number (5778 = T107).

The spelling of 4885290 in words is "four million, eight hundred eighty-five thousand, two hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 17 18 30 31 34 45 51 62 85 90 93 102 103 153 155 170 186 206 255 279 306 309 310 465 510 515 527 558 618 765 927 930 1030 1054 1395 1530 1545 1581 1751 1854 2635 2790 3090 3162 3193 3502 4635 4743 5253 5270 6386 7905 8755 9270 9486 9579 10506 15759 15810 15965 17510 19158 23715 26265 28737 31518 31930 47430 47895 52530 54281 57474 78795 95790 108562 143685 157590 162843 271405 287370 325686 488529 542810 814215 977058 1628430 2442645 4885290