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4127997 = 31972421
BaseRepresentation
bin1111101111110011111101
321202201112210
433233303331
52024043442
6224251033
750041656
oct17576375
97681483
104127997
11236a475
121470a79
13b16c03
1479652d
1556819c
hex3efcfd

4127997 has 8 divisors (see below), whose sum is σ = 5793760. Its totient is φ = 2607120.

The previous prime is 4127993. The next prime is 4127999. The reversal of 4127997 is 7997214.

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

It is not a de Polignac number, because 4127997 - 22 = 4127993 is a prime.

It is a Duffinian number.

4127997 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4127993) 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, 36154 + ... + 36267.

It is an arithmetic number, because the mean of its divisors is an integer number (724220).

Almost surely, 24127997 is an apocalyptic number.

It is an amenable number.

4127997 is a deficient number, since it is larger than the sum of its proper divisors (1665763).

4127997 is a wasteful number, since it uses less digits than its factorization.

4127997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72443.

The product of its digits is 31752, while the sum is 39.

The square root of 4127997 is about 2031.7472775914. The cubic root of 4127997 is about 160.4155474220.

The spelling of 4127997 in words is "four million, one hundred twenty-seven thousand, nine hundred ninety-seven".

Divisors: 1 3 19 57 72421 217263 1375999 4127997