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38355000 = 233542557
BaseRepresentation
bin1001001001010…
…0000000111000
32200011122011120
42102110000320
534304330000
63450025240
7644004105
oct222240070
980148146
1038355000
111a717752
1210a18220
137c3bb88
145145aac
1535796a0
hex2494038

38355000 has 80 divisors (see below), whose sum is σ = 119867880. Its totient is φ = 10224000.

The previous prime is 38354993. The next prime is 38355001. The reversal of 38355000 is 55383.

It is a super-2 number, since 2×383550002 = 2942212050000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38355001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13722 + ... + 16278.

Almost surely, 238355000 is an apocalyptic number.

38355000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38355000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59933940).

38355000 is an abundant number, since it is smaller than the sum of its proper divisors (81512880).

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

38355000 is a wasteful number, since it uses less digits than its factorization.

38355000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2586 (or 2567 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 38355000 is about 6193.1413676744. The cubic root of 38355000 is about 337.2412282542.

The spelling of 38355000 in words is "thirty-eight million, three hundred fifty-five thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 125 150 200 250 300 375 500 600 625 750 1000 1250 1500 1875 2500 2557 3000 3750 5000 5114 7500 7671 10228 12785 15000 15342 20456 25570 30684 38355 51140 61368 63925 76710 102280 127850 153420 191775 255700 306840 319625 383550 511400 639250 767100 958875 1278500 1534200 1598125 1917750 2557000 3196250 3835500 4794375 6392500 7671000 9588750 12785000 19177500 38355000