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38680168 = 2317284413
BaseRepresentation
bin1001001110001…
…1011001101000
32200210011012211
42103203121220
534400231133
63501014504
7646530112
oct223433150
980704184
1038680168
111a919a8a
1210b54434
138023b97
1451cc3b2
1535e0bcd
hex24e3668

38680168 has 16 divisors (see below), whose sum is σ = 76791780. Its totient is φ = 18202368.

The previous prime is 38680163. The next prime is 38680183. The reversal of 38680168 is 86108683.

It can be written as a sum of positive squares in 2 ways, for example, as 29571844 + 9108324 = 5438^2 + 3018^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 38680168.

It is not an unprimeable number, because it can be changed into a prime (38680163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142071 + ... + 142342.

Almost surely, 238680168 is an apocalyptic number.

It is an amenable number.

38680168 is a deficient number, since it is larger than the sum of its proper divisors (38111612).

38680168 is a wasteful number, since it uses less digits than its factorization.

38680168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284436 (or 284432 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 38680168 is about 6219.3382284613. The cubic root of 38680168 is about 338.1915746948.

The spelling of 38680168 in words is "thirty-eight million, six hundred eighty thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 17 34 68 136 284413 568826 1137652 2275304 4835021 9670042 19340084 38680168