Base | Representation |
---|---|
bin | 1001001001110… |
… | …0101001010101 |
3 | 2200020102200002 |
4 | 2102130221111 |
5 | 34311442412 |
6 | 3450501045 |
7 | 644212145 |
oct | 222345125 |
9 | 80212602 |
10 | 38390357 |
11 | 1a741275 |
12 | 10a34785 |
13 | 7c51cb5 |
14 | 5154925 |
15 | 3584dc2 |
hex | 249ca55 |
38390357 has 8 divisors (see below), whose sum is σ = 39374016. Its totient is φ = 37410912.
The previous prime is 38390333. The next prime is 38390377. The reversal of 38390357 is 75309383.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 38390357 - 26 = 38390293 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 38390357.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38390327) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25808 + ... + 27254.
It is an arithmetic number, because the mean of its divisors is an integer number (4921752).
Almost surely, 238390357 is an apocalyptic number.
It is an amenable number.
38390357 is a deficient number, since it is larger than the sum of its proper divisors (983659).
38390357 is a wasteful number, since it uses less digits than its factorization.
38390357 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2107.
The product of its (nonzero) digits is 68040, while the sum is 38.
The square root of 38390357 is about 6195.9952388620. The cubic root of 38390357 is about 337.3448234051.
It can be divided in two parts, 38390 and 357, that multiplied together give a triangular number (13705230 = T5235).
The spelling of 38390357 in words is "thirty-eight million, three hundred ninety thousand, three hundred fifty-seven".
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