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38426693 = 82346691
BaseRepresentation
bin1001001010010…
…1100001000101
32200022021111212
42102211201011
534314123233
63451341205
7644423114
oct222454105
980267455
1038426693
111a7665a8
1210a51805
137c656b6
145163c7b
153590a48
hex24a5845

38426693 has 4 divisors (see below), whose sum is σ = 38474208. Its totient is φ = 38379180.

The previous prime is 38426677. The next prime is 38426699. The reversal of 38426693 is 39662483.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38426693 - 24 = 38426677 is a prime.

It is a super-2 number, since 2×384266932 = 2953221469832498, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38426693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38426699) 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, 22523 + ... + 24168.

It is an arithmetic number, because the mean of its divisors is an integer number (9618552).

Almost surely, 238426693 is an apocalyptic number.

It is an amenable number.

38426693 is a deficient number, since it is larger than the sum of its proper divisors (47515).

38426693 is an equidigital number, since it uses as much as digits as its factorization.

38426693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47514.

The product of its digits is 186624, while the sum is 41.

The square root of 38426693 is about 6198.9267619484. The cubic root of 38426693 is about 337.4512207509.

The spelling of 38426693 in words is "thirty-eight million, four hundred twenty-six thousand, six hundred ninety-three".

Divisors: 1 823 46691 38426693