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3922069 = 17921911
BaseRepresentation
bin1110111101100010010101
321101021001211
432331202111
52001001234
6220021421
745223414
oct16754225
97337054
103922069
112239788
121391871
13a74268
1474147b
15527164
hex3bd895

3922069 has 4 divisors (see below), whose sum is σ = 3944160. Its totient is φ = 3899980.

The previous prime is 3922067. The next prime is 3922081. The reversal of 3922069 is 9602293.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9602293 = 23417491.

It is a cyclic number.

It is not a de Polignac number, because 3922069 - 21 = 3922067 is a prime.

It is a super-2 number, since 2×39220692 = 30765250481522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 3922069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3922063) 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, 10777 + ... + 11134.

It is an arithmetic number, because the mean of its divisors is an integer number (986040).

Almost surely, 23922069 is an apocalyptic number.

It is an amenable number.

3922069 is a deficient number, since it is larger than the sum of its proper divisors (22091).

3922069 is a wasteful number, since it uses less digits than its factorization.

3922069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22090.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 3922069 is about 1980.4214197993. The cubic root of 3922069 is about 157.7024389409.

The spelling of 3922069 in words is "three million, nine hundred twenty-two thousand, sixty-nine".

Divisors: 1 179 21911 3922069