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385055000 = 2354117001
BaseRepresentation
bin10110111100110…
…111100100011000
3222211112211011022
4112330313210120
51242033230000
6102113022012
712353625221
oct2674674430
9884484138
10385055000
11188398580
12a8b54908
1361a0acc5
14391d4248
1523c10585
hex16f37918

385055000 has 80 divisors (see below), whose sum is σ = 984341160. Its totient is φ = 140000000.

The previous prime is 385054993. The next prime is 385055003. The reversal of 385055000 is 550583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385055003) 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, 51500 + ... + 58500.

Almost surely, 2385055000 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 385055000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (492170580).

385055000 is an abundant number, since it is smaller than the sum of its proper divisors (599286160).

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

385055000 is a wasteful number, since it uses less digits than its factorization.

385055000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7038 (or 7019 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 385055000 is about 19622.8183500740. The cubic root of 385055000 is about 727.5132750694.

The spelling of 385055000 in words is "three hundred eighty-five million, fifty-five thousand".

Divisors: 1 2 4 5 8 10 11 20 22 25 40 44 50 55 88 100 110 125 200 220 250 275 440 500 550 625 1000 1100 1250 1375 2200 2500 2750 5000 5500 6875 7001 11000 13750 14002 27500 28004 35005 55000 56008 70010 77011 140020 154022 175025 280040 308044 350050 385055 616088 700100 770110 875125 1400200 1540220 1750250 1925275 3080440 3500500 3850550 4375625 7001000 7701100 8751250 9626375 15402200 17502500 19252750 35005000 38505500 48131875 77011000 96263750 192527500 385055000