Search a number
-
+
38833221 = 371849201
BaseRepresentation
bin1001010000100…
…0110001000101
32201001221011110
42110020301011
534420130341
63504155233
7651035250
oct224106105
981057143
1038833221
111aa13a79
1211008b19
13807874b
14522c097
153621216
hex2508c45

38833221 has 8 divisors (see below), whose sum is σ = 59174464. Its totient is φ = 22190400.

The previous prime is 38833217. The next prime is 38833229. The reversal of 38833221 is 12233883.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38833221 - 22 = 38833217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38833229) 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, 924580 + ... + 924621.

It is an arithmetic number, because the mean of its divisors is an integer number (7396808).

Almost surely, 238833221 is an apocalyptic number.

It is an amenable number.

38833221 is a deficient number, since it is larger than the sum of its proper divisors (20341243).

38833221 is a wasteful number, since it uses less digits than its factorization.

38833221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1849211.

The product of its digits is 6912, while the sum is 30.

The square root of 38833221 is about 6231.6306854627. The cubic root of 38833221 is about 338.6370494376.

The spelling of 38833221 in words is "thirty-eight million, eight hundred thirty-three thousand, two hundred twenty-one".

Divisors: 1 3 7 21 1849201 5547603 12944407 38833221