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4018069 = 111721487
BaseRepresentation
bin1111010100111110010101
321120010202101
433110332111
52012034234
6222042101
746103326
oct17247625
97503671
104018069
1122a4920
121419331
13aa8b73
1476844d
15545814
hex3d4f95

4018069 has 8 divisors (see below), whose sum is σ = 4641408. Its totient is φ = 3437760.

The previous prime is 4018061. The next prime is 4018081. The reversal of 4018069 is 9608104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4018069 - 23 = 4018061 is a prime.

It is a super-2 number, since 2×40180692 = 32289756977522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4018061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10557 + ... + 10930.

It is an arithmetic number, because the mean of its divisors is an integer number (580176).

Almost surely, 24018069 is an apocalyptic number.

It is an amenable number.

4018069 is a deficient number, since it is larger than the sum of its proper divisors (623339).

4018069 is a wasteful number, since it uses less digits than its factorization.

4018069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21515.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 4018069 is about 2004.5121601028. The cubic root of 4018069 is about 158.9787691020.

The spelling of 4018069 in words is "four million, eighteen thousand, sixty-nine".

Divisors: 1 11 17 187 21487 236357 365279 4018069