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4745620 = 2251123753
BaseRepresentation
bin10010000110100110010100
322221002202201
4102012212110
52203324440
6245414244
755223425
oct22064624
98832681
104745620
112751500
12170a384
13ca2079
148b764c
1563b19a
hex486994

4745620 has 72 divisors (see below), whose sum is σ = 11462472. Its totient is φ = 1647360.

The previous prime is 4745603. The next prime is 4745623. The reversal of 4745620 is 265474.

It can be written as a sum of positive squares in 4 ways, for example, as 1800964 + 2944656 = 1342^2 + 1716^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4745623) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89514 + ... + 89566.

It is an arithmetic number, because the mean of its divisors is an integer number (159201).

Almost surely, 24745620 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 4745620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5731236).

4745620 is an abundant number, since it is smaller than the sum of its proper divisors (6716852).

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

4745620 is a wasteful number, since it uses less digits than its factorization.

4745620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 4745620 is about 2178.4443991068. Note that the first 3 decimals coincide. The cubic root of 4745620 is about 168.0470861970.

The spelling of 4745620 in words is "four million, seven hundred forty-five thousand, six hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 37 44 53 55 74 106 110 121 148 185 212 220 242 265 370 407 484 530 583 605 740 814 1060 1166 1210 1628 1961 2035 2332 2420 2915 3922 4070 4477 5830 6413 7844 8140 8954 9805 11660 12826 17908 19610 21571 22385 25652 32065 39220 43142 44770 64130 86284 89540 107855 128260 215710 237281 431420 474562 949124 1186405 2372810 4745620