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4003069 = 7571867
BaseRepresentation
bin1111010001010011111101
321112101011211
433101103331
52011044234
6221444421
746011520
oct17212375
97471154
104003069
112294624
121410711
13aa20a5
14762bb7
15541164
hex3d14fd

4003069 has 4 divisors (see below), whose sum is σ = 4574944. Its totient is φ = 3431196.

The previous prime is 4003057. The next prime is 4003079. The reversal of 4003069 is 9603004.

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 4003069 - 219 = 3478781 is a prime.

It is a super-2 number, since 2×40030692 = 32049122837522, which contains 22 as substring.

It is a Duffinian number.

4003069 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4003019) 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, 285927 + ... + 285940.

It is an arithmetic number, because the mean of its divisors is an integer number (1143736).

Almost surely, 24003069 is an apocalyptic number.

It is an amenable number.

4003069 is a deficient number, since it is larger than the sum of its proper divisors (571875).

4003069 is an equidigital number, since it uses as much as digits as its factorization.

4003069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571874.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 4003069 is about 2000.7671028883. The cubic root of 4003069 is about 158.7806926003.

The spelling of 4003069 in words is "four million, three thousand, sixty-nine".

Divisors: 1 7 571867 4003069