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38313673 = 61628093
BaseRepresentation
bin1001001000100…
…1111011001001
32200002112110221
42102021323021
534302014143
63445110041
7643442446
oct222117311
980075427
1038313673
111a6996a2
12109b8321
137c26118
1451349cd
15356c2ed
hex2489ec9

38313673 has 4 divisors (see below), whose sum is σ = 38941828. Its totient is φ = 37685520.

The previous prime is 38313661. The next prime is 38313677. The reversal of 38313673 is 37631383.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4359744 + 33953929 = 2088^2 + 5827^2 .

It is a cyclic number.

It is not a de Polignac number, because 38313673 - 29 = 38313161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38313677) 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, 313986 + ... + 314107.

It is an arithmetic number, because the mean of its divisors is an integer number (9735457).

Almost surely, 238313673 is an apocalyptic number.

It is an amenable number.

38313673 is a deficient number, since it is larger than the sum of its proper divisors (628155).

38313673 is an equidigital number, since it uses as much as digits as its factorization.

38313673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628154.

The product of its digits is 27216, while the sum is 34.

The square root of 38313673 is about 6189.8039548923. The cubic root of 38313673 is about 337.1200604191.

The spelling of 38313673 in words is "thirty-eight million, three hundred thirteen thousand, six hundred seventy-three".

Divisors: 1 61 628093 38313673