Base | Representation |
---|---|
bin | 1001000100001… |
… | …1100101100010 |
3 | 2122112220021110 |
4 | 2101003211202 |
5 | 34213304240 |
6 | 3435004150 |
7 | 641132502 |
oct | 221034542 |
9 | 78486243 |
10 | 38025570 |
11 | 1a5121a0 |
12 | 10899656 |
13 | 7b54c4b |
14 | 509ba02 |
15 | 3511c80 |
hex | 2443962 |
38025570 has 64 divisors (see below), whose sum is σ = 101243520. Its totient is φ = 9062400.
The previous prime is 38025563. The next prime is 38025607. The reversal of 38025570 is 7552083.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19186 + ... + 21074.
It is an arithmetic number, because the mean of its divisors is an integer number (1581930).
Almost surely, 238025570 is an apocalyptic number.
38025570 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 38025570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50621760).
38025570 is an abundant number, since it is smaller than the sum of its proper divisors (63217950).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38025570 is a wasteful number, since it uses less digits than its factorization.
38025570 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1971.
The product of its (nonzero) digits is 8400, while the sum is 30.
The square root of 38025570 is about 6166.4876550594. The cubic root of 38025570 is about 336.2729322908.
The spelling of 38025570 in words is "thirty-eight million, twenty-five thousand, five hundred seventy".
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