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38308716 = 22321064131
BaseRepresentation
bin1001001000100…
…0101101101100
32200002021200100
42102020231230
534301334331
63445031100
7643422135
oct222105554
980067610
1038308716
111a6959a6
12109b5490
137c23aa4
145132c8c
15356aae6
hex2488b6c

38308716 has 18 divisors (see below), whose sum is σ = 96836012. Its totient is φ = 12769560.

The previous prime is 38308709. The next prime is 38308717. The reversal of 38308716 is 61780383.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1064131 = 38308716 / (3 + 8 + 3 + 0 + 8 + 7 + 1 + 6).

It is not an unprimeable number, because it can be changed into a prime (38308717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 532030 + ... + 532101.

Almost surely, 238308716 is an apocalyptic number.

38308716 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

38308716 is an abundant number, since it is smaller than the sum of its proper divisors (58527296).

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

38308716 is a wasteful number, since it uses less digits than its factorization.

38308716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064141 (or 1064136 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 38308716 is about 6189.4035253811. The cubic root of 38308716 is about 337.1055209951.

The spelling of 38308716 in words is "thirty-eight million, three hundred eight thousand, seven hundred sixteen".

Divisors: 1 2 3 4 6 9 12 18 36 1064131 2128262 3192393 4256524 6384786 9577179 12769572 19154358 38308716