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440124031 = 5322936263
BaseRepresentation
bin11010001110111…
…100001001111111
31010200011121200001
4122032330021333
51400132432111
6111401215131
713622664304
oct3216741177
91120147601
10440124031
11206490776
121034914a7
137024c729
144264b0ab
152898c1c1
hex1a3bc27f

440124031 has 8 divisors (see below), whose sum is σ = 450398880. Its totient is φ = 429922272.

The previous prime is 440123989. The next prime is 440124059. The reversal of 440124031 is 130421044.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-440124031 is a prime.

It is a super-2 number, since 2×4401240312 = 387418325327377922, 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 (440124071) 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, 5995 + ... + 30268.

It is an arithmetic number, because the mean of its divisors is an integer number (56299860).

Almost surely, 2440124031 is an apocalyptic number.

440124031 is a deficient number, since it is larger than the sum of its proper divisors (10274849).

440124031 is a wasteful number, since it uses less digits than its factorization.

440124031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36545.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 440124031 is about 20979.1332280435. The cubic root of 440124031 is about 760.6619527103.

Adding to 440124031 its reverse (130421044), we get a palindrome (570545075).

The spelling of 440124031 in words is "four hundred forty million, one hundred twenty-four thousand, thirty-one".

Divisors: 1 53 229 12137 36263 1921939 8304227 440124031