Search a number
-
+
343093477 = 1618921193
BaseRepresentation
bin10100011100110…
…011000011100101
3212220120221202211
4110130303003211
51200312442402
654013403421
711334150346
oct2434630345
9786527684
10343093477
11166738231
1296a99571
13561086bc
14337d00cd
15201c24d7
hex147330e5

343093477 has 4 divisors (see below), whose sum is σ = 343130860. Its totient is φ = 343056096.

The previous prime is 343093459. The next prime is 343093483. The reversal of 343093477 is 774390343.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 774390343 = 1634750861.

It can be written as a sum of positive squares in 2 ways, for example, as 71470116 + 271623361 = 8454^2 + 16481^2 .

It is a cyclic number.

It is not a de Polignac number, because 343093477 - 27 = 343093349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343093447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5593 + ... + 26785.

It is an arithmetic number, because the mean of its divisors is an integer number (85782715).

Almost surely, 2343093477 is an apocalyptic number.

It is an amenable number.

343093477 is a deficient number, since it is larger than the sum of its proper divisors (37383).

343093477 is a wasteful number, since it uses less digits than its factorization.

343093477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37382.

The product of its (nonzero) digits is 190512, while the sum is 40.

The square root of 343093477 is about 18522.7826473238. The cubic root of 343093477 is about 700.0635840201.

The spelling of 343093477 in words is "three hundred forty-three million, ninety-three thousand, four hundred seventy-seven".

Divisors: 1 16189 21193 343093477