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38074169 = 7173110321
BaseRepresentation
bin1001000100111…
…1011100111001
32122122100221102
42101033130321
534221333134
63440021145
7641424260
oct221173471
978570842
1038074169
111a545761
12109017b5
137b710c3
1450b15d7
15352137e
hex244f739

38074169 has 16 divisors (see below), whose sum is σ = 47563776. Its totient is φ = 29721600.

The previous prime is 38074151. The next prime is 38074171. The reversal of 38074169 is 96147083.

It is a cyclic number.

It is not a de Polignac number, because 38074169 - 212 = 38070073 is a prime.

It is a super-2 number, since 2×380741692 = 2899284690081122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38074139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1472 + ... + 8849.

It is an arithmetic number, because the mean of its divisors is an integer number (2972736).

Almost surely, 238074169 is an apocalyptic number.

It is an amenable number.

38074169 is a deficient number, since it is larger than the sum of its proper divisors (9489607).

38074169 is a wasteful number, since it uses less digits than its factorization.

38074169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10376.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 38074169 is about 6170.4269706399. The cubic root of 38074169 is about 336.4161304153.

The spelling of 38074169 in words is "thirty-eight million, seventy-four thousand, one hundred sixty-nine".

Divisors: 1 7 17 31 119 217 527 3689 10321 72247 175457 319951 1228199 2239657 5439167 38074169