Search a number
-
+
3478431 = 311105407
BaseRepresentation
bin1101010001001110011111
320112201111210
431101032133
51342302211
6202315503
741365125
oct15211637
96481453
103478431
111a66440
1211b8b93
1394a358
14667915
1548a9a6
hex35139f

3478431 has 8 divisors (see below), whose sum is σ = 5059584. Its totient is φ = 2108120.

The previous prime is 3478427. The next prime is 3478459. The reversal of 3478431 is 1348743.

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 3478431 - 22 = 3478427 is a prime.

It is a super-2 number, since 2×34784312 = 24198964443522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3478411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52671 + ... + 52736.

It is an arithmetic number, because the mean of its divisors is an integer number (632448).

Almost surely, 23478431 is an apocalyptic number.

3478431 is a deficient number, since it is larger than the sum of its proper divisors (1581153).

3478431 is a wasteful number, since it uses less digits than its factorization.

3478431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105421.

The product of its digits is 8064, while the sum is 30.

The square root of 3478431 is about 1865.0552270643. The cubic root of 3478431 is about 151.5169191095.

It can be divided in two parts, 347 and 8431, that added together give a palindrome (8778).

The spelling of 3478431 in words is "three million, four hundred seventy-eight thousand, four hundred thirty-one".

Divisors: 1 3 11 33 105407 316221 1159477 3478431