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4445070 = 235761347
BaseRepresentation
bin10000111101001110001110
322100211111020
4100331032032
52114220240
6235135010
752532250
oct20751616
98324436
104445070
112566713
1215a4466
13bc8326
14839cd0
155cc0d0
hex43d38e

4445070 has 64 divisors (see below), whose sum is σ = 12427776. Its totient is φ = 996480.

The previous prime is 4445047. The next prime is 4445083. The reversal of 4445070 is 705444.

It is a self number, because there is not a number n which added to its sum of digits gives 4445070.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12637 + ... + 12983.

It is an arithmetic number, because the mean of its divisors is an integer number (194184).

Almost surely, 24445070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4445070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6213888).

4445070 is an abundant number, since it is smaller than the sum of its proper divisors (7982706).

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

4445070 is a wasteful number, since it uses less digits than its factorization.

4445070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425.

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 4445070 is about 2108.3334650856. Note that the first 3 decimals coincide. The cubic root of 4445070 is about 164.4218516901.

The spelling of 4445070 in words is "four million, four hundred forty-five thousand, seventy".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 61 70 105 122 183 210 305 347 366 427 610 694 854 915 1041 1281 1735 1830 2082 2135 2429 2562 3470 4270 4858 5205 6405 7287 10410 12145 12810 14574 21167 24290 36435 42334 63501 72870 105835 127002 148169 211670 296338 317505 444507 635010 740845 889014 1481690 2222535 4445070