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38828072 = 234853509
BaseRepresentation
bin1001010000011…
…1100000101000
32201001200002202
42110013200220
534414444242
63504115332
7651014243
oct224074050
981050082
1038828072
111aa10118
1211005b48
1380762ba
14522a25a
15361e932
hex2507828

38828072 has 8 divisors (see below), whose sum is σ = 72802650. Its totient is φ = 19414032.

The previous prime is 38828057. The next prime is 38828087. The reversal of 38828072 is 27082883.

It is an interprime number because it is at equal distance from previous prime (38828057) and next prime (38828087).

It can be written as a sum of positive squares in only one way, i.e., 36312676 + 2515396 = 6026^2 + 1586^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2426747 + ... + 2426762.

Almost surely, 238828072 is an apocalyptic number.

It is an amenable number.

38828072 is a deficient number, since it is larger than the sum of its proper divisors (33974578).

38828072 is a wasteful number, since it uses less digits than its factorization.

38828072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4853515 (or 4853511 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 38828072 is about 6231.2175375283. The cubic root of 38828072 is about 338.6220818471.

The spelling of 38828072 in words is "thirty-eight million, eight hundred twenty-eight thousand, seventy-two".

Divisors: 1 2 4 8 4853509 9707018 19414036 38828072