Search a number
-
+
23004443000 = 2353711298759
BaseRepresentation
bin10101011011001010…
…111111000101111000
32012101012220210020102
4111123022333011320
5334103114134000
614322413014532
71443033352640
oct253312770570
965335823212
1023004443000
119835454570
124560184448
132227c86566
141183327520
158e98db3d5
hex55b2bf178

23004443000 has 128 divisors (see below), whose sum is σ = 67113446400. Its totient is φ = 7170192000.

The previous prime is 23004442997. The next prime is 23004443003. The reversal of 23004443000 is 34440032.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23004442997) and next prime (23004443003).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23004443003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72380 + ... + 226379.

It is an arithmetic number, because the mean of its divisors is an integer number (524323800).

Almost surely, 223004443000 is an apocalyptic number.

23004443000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23004443000 is an abundant number, since it is smaller than the sum of its proper divisors (44109003400).

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

23004443000 is a wasteful number, since it uses less digits than its factorization.

23004443000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298798 (or 298784 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 23004443000 its reverse (34440032), we get a palindrome (23038883032).

The spelling of 23004443000 in words is "twenty-three billion, four million, four hundred forty-three thousand".

Divisors: 1 2 4 5 7 8 10 11 14 20 22 25 28 35 40 44 50 55 56 70 77 88 100 110 125 140 154 175 200 220 250 275 280 308 350 385 440 500 550 616 700 770 875 1000 1100 1375 1400 1540 1750 1925 2200 2750 3080 3500 3850 5500 7000 7700 9625 11000 15400 19250 38500 77000 298759 597518 1195036 1493795 2091313 2390072 2987590 3286349 4182626 5975180 6572698 7468975 8365252 10456565 11950360 13145396 14937950 16431745 16730504 20913130 23004443 26290792 29875900 32863490 37344875 41826260 46008886 52282825 59751800 65726980 74689750 82158725 83652520 92017772 104565650 115022215 131453960 149379500 164317450 184035544 209131300 230044430 261414125 298759000 328634900 410793625 418262600 460088860 522828250 575111075 657269800 821587250 920177720 1045656500 1150222150 1643174500 2091313000 2300444300 2875555375 3286349000 4600888600 5751110750 11502221500 23004443000