Search a number
-
+
37828128 = 25313171783
BaseRepresentation
bin1001000001001…
…1011000100000
32122011212102210
42100103120200
534141000003
63430442120
7636351042
oct220233040
978155383
1037828128
111a397918
1210803340
137ab6110
145049a92
1534c3503
hex2413620

37828128 has 96 divisors (see below), whose sum is σ = 113291136. Its totient is φ = 10948608.

The previous prime is 37828127. The next prime is 37828181. The reversal of 37828128 is 82182873.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (37828121) 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, 20325 + ... + 22107.

It is an arithmetic number, because the mean of its divisors is an integer number (1180116).

Almost surely, 237828128 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 37828128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56645568).

37828128 is an abundant number, since it is smaller than the sum of its proper divisors (75463008).

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

37828128 is a wasteful number, since it uses less digits than its factorization.

37828128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826 (or 1818 counting only the distinct ones).

The product of its digits is 43008, while the sum is 39.

The square root of 37828128 is about 6150.4575439556. The cubic root of 37828128 is about 335.6899066476.

The spelling of 37828128 in words is "thirty-seven million, eight hundred twenty-eight thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 13 16 17 24 26 32 34 39 48 51 52 68 78 96 102 104 136 156 204 208 221 272 312 408 416 442 544 624 663 816 884 1248 1326 1632 1768 1783 2652 3536 3566 5304 5349 7072 7132 10608 10698 14264 21216 21396 23179 28528 30311 42792 46358 57056 60622 69537 85584 90933 92716 121244 139074 171168 181866 185432 242488 278148 363732 370864 394043 484976 556296 727464 741728 788086 969952 1112592 1182129 1454928 1576172 2225184 2364258 2909856 3152344 4728516 6304688 9457032 12609376 18914064 37828128