Search a number
-
+
38033928 = 2333374759
BaseRepresentation
bin1001000100010…
…1101000001000
32122120022202000
42101011220020
534214041203
63435111000
7641166042
oct221055010
978508660
1038033928
111a5184a9
12108a2460
137b589aa
1450a0a92
1535144a3
hex2445a08

38033928 has 64 divisors (see below), whose sum is σ = 108528000. Its totient is φ = 12332736.

The previous prime is 38033921. The next prime is 38033929. The reversal of 38033928 is 82933083.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 38033892 and 38033901.

It is not an unprimeable number, because it can be changed into a prime (38033921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5613 + ... + 10371.

It is an arithmetic number, because the mean of its divisors is an integer number (1695750).

Almost surely, 238033928 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 38033928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54264000).

38033928 is an abundant number, since it is smaller than the sum of its proper divisors (70494072).

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

38033928 is a wasteful number, since it uses less digits than its factorization.

38033928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4811 (or 4801 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 38033928 is about 6167.1653131727. The cubic root of 38033928 is about 336.2975680229.

The spelling of 38033928 in words is "thirty-eight million, thirty-three thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 37 54 72 74 108 111 148 216 222 296 333 444 666 888 999 1332 1998 2664 3996 4759 7992 9518 14277 19036 28554 38072 42831 57108 85662 114216 128493 171324 176083 256986 342648 352166 513972 528249 704332 1027944 1056498 1408664 1584747 2112996 3169494 4225992 4754241 6338988 9508482 12677976 19016964 38033928