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4779630 = 2325232309
BaseRepresentation
bin10010001110111001101110
322222211102100
4102032321232
52210422010
6250235530
755424532
oct22167156
98884370
104779630
112775009
121725ba6
13cb46ab
148c5bc2
156462c0
hex48ee6e

4779630 has 48 divisors (see below), whose sum is σ = 12972960. Its totient is φ = 1218624.

The previous prime is 4779589. The next prime is 4779631. The reversal of 4779630 is 369774.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4779631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 916 + ... + 3224.

It is an arithmetic number, because the mean of its divisors is an integer number (270270).

Almost surely, 24779630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4779630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6486480).

4779630 is an abundant number, since it is smaller than the sum of its proper divisors (8193330).

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

4779630 is a wasteful number, since it uses less digits than its factorization.

4779630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2345 (or 2342 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 4779630 is about 2186.2364922396. The cubic root of 4779630 is about 168.4475735545.

The spelling of 4779630 in words is "four million, seven hundred seventy-nine thousand, six hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 23 30 45 46 69 90 115 138 207 230 345 414 690 1035 2070 2309 4618 6927 11545 13854 20781 23090 34635 41562 53107 69270 103905 106214 159321 207810 265535 318642 477963 531070 796605 955926 1593210 2389815 4779630