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38704697 = 41944017
BaseRepresentation
bin1001001110100…
…1011000111001
32200211101212022
42103221120321
534402022242
63501324225
7646661453
oct223513071
980741768
1038704697
111a936459
1210b66675
1380320b5
1451d72d3
1535e80d2
hex24e9639

38704697 has 4 divisors (see below), whose sum is σ = 39648756. Its totient is φ = 37760640.

The previous prime is 38704693. The next prime is 38704741. The reversal of 38704697 is 79640783.

38704697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79640783 = 97821039.

It can be written as a sum of positive squares in 2 ways, for example, as 17397241 + 21307456 = 4171^2 + 4616^2 .

It is a cyclic number.

It is not a de Polignac number, because 38704697 - 22 = 38704693 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38704693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 471968 + ... + 472049.

It is an arithmetic number, because the mean of its divisors is an integer number (9912189).

Almost surely, 238704697 is an apocalyptic number.

It is an amenable number.

38704697 is a deficient number, since it is larger than the sum of its proper divisors (944059).

38704697 is an equidigital number, since it uses as much as digits as its factorization.

38704697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944058.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 38704697 is about 6221.3099103002. The cubic root of 38704697 is about 338.2630475680.

The spelling of 38704697 in words is "thirty-eight million, seven hundred four thousand, six hundred ninety-seven".

Divisors: 1 41 944017 38704697