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38243000 = 2353167229
BaseRepresentation
bin1001000111100…
…0101010111000
32122221221112102
42101320222320
534242234000
63443402532
7643026425
oct221705270
978857472
1038243000
111a650594
1210983448
137bccbc3
145116d4c
1535563d5
hex2478ab8

38243000 has 64 divisors (see below), whose sum is σ = 90417600. Its totient is φ = 15139200.

The previous prime is 38242999. The next prime is 38243003. The reversal of 38243000 is 34283.

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 (38243003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166886 + ... + 167114.

It is an arithmetic number, because the mean of its divisors is an integer number (1412775).

Almost surely, 238243000 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 38243000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45208800).

38243000 is an abundant number, since it is smaller than the sum of its proper divisors (52174600).

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

38243000 is a wasteful number, since it uses less digits than its factorization.

38243000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417 (or 403 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 38243000 is about 6184.0924960741. The cubic root of 38243000 is about 336.9126501268.

Adding to 38243000 its reverse (34283), we get a palindrome (38277283).

The spelling of 38243000 in words is "thirty-eight million, two hundred forty-three thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 167 200 229 250 334 458 500 668 835 916 1000 1145 1336 1670 1832 2290 3340 4175 4580 5725 6680 8350 9160 11450 16700 20875 22900 28625 33400 38243 41750 45800 57250 76486 83500 114500 152972 167000 191215 229000 305944 382430 764860 956075 1529720 1912150 3824300 4780375 7648600 9560750 19121500 38243000