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4749930 = 232589593
BaseRepresentation
bin10010000111101001101010
322221022200100
4102013221222
52203444210
6245450230
755242123
oct22075152
98838610
104749930
112754769
121710976
13ca4013
148b904a
1563c5c0
hex487a6a

4749930 has 48 divisors (see below), whose sum is σ = 12509640. Its totient is φ = 1250304.

The previous prime is 4749911. The next prime is 4749967. The reversal of 4749930 is 399474.

It can be written as a sum of positive squares in 4 ways, for example, as 3359889 + 1390041 = 1833^2 + 1179^2 .

It is an Ulam number.

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 23 ways as a sum of consecutive naturals, for example, 7714 + ... + 8306.

Almost surely, 24749930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4749930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6254820).

4749930 is an abundant number, since it is smaller than the sum of its proper divisors (7759710).

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

4749930 is a wasteful number, since it uses less digits than its factorization.

4749930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695 (or 692 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 4749930 is about 2179.4334126098. The cubic root of 4749930 is about 168.0979445875.

It can be divided in two parts, 474 and 9930, that added together give a square (10404 = 1022).

The spelling of 4749930 in words is "four million, seven hundred forty-nine thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 89 90 178 267 445 534 593 801 890 1186 1335 1602 1779 2670 2965 3558 4005 5337 5930 8010 8895 10674 17790 26685 52777 53370 105554 158331 263885 316662 474993 527770 791655 949986 1583310 2374965 4749930