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67472168 = 238434021
BaseRepresentation
bin1000000010110…
…00101100101000
311200221221102012
410001120230220
5114233102133
610410055052
71446334601
oct401305450
9150857365
1067472168
11350a4925
121a71a488
1310c9507a
148d64da8
155dcbb48
hex4058b28

67472168 has 8 divisors (see below), whose sum is σ = 126510330. Its totient is φ = 33736080.

The previous prime is 67472147. The next prime is 67472189. The reversal of 67472168 is 86127476.

It is an interprime number because it is at equal distance from previous prime (67472147) and next prime (67472189).

It can be written as a sum of positive squares in only one way, i.e., 49815364 + 17656804 = 7058^2 + 4202^2 .

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, 4217003 + ... + 4217018.

Almost surely, 267472168 is an apocalyptic number.

It is an amenable number.

67472168 is a deficient number, since it is larger than the sum of its proper divisors (59038162).

67472168 is a wasteful number, since it uses less digits than its factorization.

67472168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8434027 (or 8434023 counting only the distinct ones).

The product of its digits is 112896, while the sum is 41.

The square root of 67472168 is about 8214.1443863619. The cubic root of 67472168 is about 407.1066735582.

The spelling of 67472168 in words is "sixty-seven million, four hundred seventy-two thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 8434021 16868042 33736084 67472168