Search a number
-
+
406272371 = 4721793967
BaseRepresentation
bin11000001101110…
…011100101110011
31001022110202220212
4120031303211303
51313001203441
6104151454335
713032154361
oct3015634563
91038422825
10406272371
1119936a49a
12b40873ab
136622956b
143bd58631
1525a01eeb
hex18373973

406272371 has 8 divisors (see below), whose sum is σ = 415211520. Its totient is φ = 397345608.

The previous prime is 406272367. The next prime is 406272457. The reversal of 406272371 is 173272604.

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 406272371 - 22 = 406272367 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406272311) 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, 100430 + ... + 104396.

It is an arithmetic number, because the mean of its divisors is an integer number (51901440).

Almost surely, 2406272371 is an apocalyptic number.

406272371 is a deficient number, since it is larger than the sum of its proper divisors (8939149).

406272371 is a wasteful number, since it uses less digits than its factorization.

406272371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6193.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 406272371 is about 20156.1993193161. The cubic root of 406272371 is about 740.6376115189.

The spelling of 406272371 in words is "four hundred six million, two hundred seventy-two thousand, three hundred seventy-one".

Divisors: 1 47 2179 3967 102413 186449 8644093 406272371