Search a number
-
+
407666055 = 3527177737
BaseRepresentation
bin11000010011000…
…111110110000111
31001102002120200210
4120103013312013
51313330303210
6104241410503
713050050526
oct3023076607
91042076623
10407666055
1119a1315a5
12b4639a33
13665c6a24
143c1dc4bd
1525bc9e20
hex184c7d87

407666055 has 8 divisors (see below), whose sum is σ = 652265712. Its totient is φ = 217421888.

The previous prime is 407666009. The next prime is 407666057. The reversal of 407666055 is 550666704.

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 407666055 - 27 = 407665927 is a prime.

It is a super-2 number, since 2×4076660552 = 332383224798526050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407666057) 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, 13588854 + ... + 13588883.

It is an arithmetic number, because the mean of its divisors is an integer number (81533214).

Almost surely, 2407666055 is an apocalyptic number.

407666055 is a deficient number, since it is larger than the sum of its proper divisors (244599657).

407666055 is a wasteful number, since it uses less digits than its factorization.

407666055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27177745.

The product of its (nonzero) digits is 151200, while the sum is 39.

The square root of 407666055 is about 20190.7418140097. The cubic root of 407666055 is about 741.4835437863.

The spelling of 407666055 in words is "four hundred seven million, six hundred sixty-six thousand, fifty-five".

Divisors: 1 3 5 15 27177737 81533211 135888685 407666055