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38267028 = 22323728729
BaseRepresentation
bin1001000111111…
…0100010010100
32200000011111100
42101332202110
534244021103
63444110100
7643156452
oct221764224
980004440
1038267028
111a667648
1210995330
137c0ab17
1451219d2
15355d5a3
hex247e894

38267028 has 36 divisors (see below), whose sum is σ = 99348340. Its totient is φ = 12410496.

The previous prime is 38267027. The next prime is 38267039. The reversal of 38267028 is 82076283.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 25220484 + 13046544 = 5022^2 + 3612^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 38266983 and 38267001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38267027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13033 + ... + 15696.

Almost surely, 238267028 is an apocalyptic number.

It is an amenable number.

38267028 is an abundant number, since it is smaller than the sum of its proper divisors (61081312).

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

38267028 is a wasteful number, since it uses less digits than its factorization.

38267028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28776 (or 28771 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 38267028 is about 6186.0349174572. The cubic root of 38267028 is about 336.9831958678.

The spelling of 38267028 in words is "thirty-eight million, two hundred sixty-seven thousand, twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 37 74 111 148 222 333 444 666 1332 28729 57458 86187 114916 172374 258561 344748 517122 1034244 1062973 2125946 3188919 4251892 6377838 9566757 12755676 19133514 38267028