Search a number
-
+
556471149 = 31317839323
BaseRepresentation
bin100001001010110…
…001001101101101
31102210002122220120
4201022301031231
52114424034044
6131115035153
716534632603
oct4112611555
91383078816
10556471149
11266128013
1213643bab9
138b397a90
1453c95873
1533cc0519
hex212b136d

556471149 has 16 divisors (see below), whose sum is σ = 846038592. Its totient is φ = 322299648.

The previous prime is 556471141. The next prime is 556471151. The reversal of 556471149 is 941174655.

It is not a de Polignac number, because 556471149 - 23 = 556471141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 556471149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556471141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 418999 + ... + 420324.

It is an arithmetic number, because the mean of its divisors is an integer number (52877412).

Almost surely, 2556471149 is an apocalyptic number.

It is an amenable number.

556471149 is a deficient number, since it is larger than the sum of its proper divisors (289567443).

556471149 is a wasteful number, since it uses less digits than its factorization.

556471149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839356.

The product of its digits is 151200, while the sum is 42.

The square root of 556471149 is about 23589.6407136692. The cubic root of 556471149 is about 822.5220530975.

The spelling of 556471149 in words is "five hundred fifty-six million, four hundred seventy-one thousand, one hundred forty-nine".

Divisors: 1 3 13 17 39 51 221 663 839323 2517969 10911199 14268491 32733597 42805473 185490383 556471149