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4369140 = 223552931
BaseRepresentation
bin10000101010101011110100
322012222100000
4100222223310
52104303030
6233351300
752065006
oct20525364
98188300
104369140
112514666
121568530
13b9c8b9
1481a376
155b4860
hex42aaf4

4369140 has 144 divisors (see below), whose sum is σ = 14676480. Its totient is φ = 1088640.

The previous prime is 4369139. The next prime is 4369147. The reversal of 4369140 is 419634.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4369147) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 140925 + ... + 140955.

It is an arithmetic number, because the mean of its divisors is an integer number (101920).

Almost surely, 24369140 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 4369140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7338240).

4369140 is an abundant number, since it is smaller than the sum of its proper divisors (10307340).

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

4369140 is a wasteful number, since it uses less digits than its factorization.

4369140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 4369140 is about 2090.2487890201. The cubic root of 4369140 is about 163.4802602210.

The spelling of 4369140 in words is "four million, three hundred sixty-nine thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 29 30 31 36 45 54 58 60 62 81 87 90 93 108 116 124 135 145 155 162 174 180 186 243 261 270 279 290 310 324 348 372 405 435 465 486 522 540 558 580 620 783 810 837 870 899 930 972 1044 1116 1215 1305 1395 1566 1620 1674 1740 1798 1860 2349 2430 2511 2610 2697 2790 3132 3348 3596 3915 4185 4495 4698 4860 5022 5220 5394 5580 7047 7533 7830 8091 8370 8990 9396 10044 10788 11745 12555 13485 14094 15066 15660 16182 16740 17980 23490 24273 25110 26970 28188 30132 32364 35235 37665 40455 46980 48546 50220 53940 70470 72819 75330 80910 97092 121365 140940 145638 150660 161820 218457 242730 291276 364095 436914 485460 728190 873828 1092285 1456380 2184570 4369140