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4000469 = 111919141
BaseRepresentation
bin1111010000101011010101
321112020121112
433100223111
52011003334
6221424405
746001114
oct17205325
97466545
104000469
112292680
12140b105
13aa0b55
14761c7b
155404ce
hex3d0ad5

4000469 has 8 divisors (see below), whose sum is σ = 4594080. Its totient is φ = 3445200.

The previous prime is 4000439. The next prime is 4000489. The reversal of 4000469 is 9640004.

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

It is a de Polignac number, because none of the positive numbers 2k-4000469 is a prime.

It is a super-2 number, since 2×40004692 = 32007504439922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4000439) 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, 9362 + ... + 9779.

It is an arithmetic number, because the mean of its divisors is an integer number (574260).

Almost surely, 24000469 is an apocalyptic number.

It is an amenable number.

4000469 is a deficient number, since it is larger than the sum of its proper divisors (593611).

4000469 is a wasteful number, since it uses less digits than its factorization.

4000469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19171.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 4000469 is about 2000.1172465633. The cubic root of 4000469 is about 158.7463090468.

The spelling of 4000469 in words is "four million, four hundred sixty-nine", and thus it is an aban number.

Divisors: 1 11 19 209 19141 210551 363679 4000469