Base | Representation |
---|---|
bin | 1101001111101111111101 |
3 | 20112102012201 |
4 | 31033233331 |
5 | 1342104011 |
6 | 202231501 |
7 | 41341363 |
oct | 15175775 |
9 | 6472181 |
10 | 3472381 |
11 | 1a61940 |
12 | 11b5591 |
13 | 947683 |
14 | 665633 |
15 | 488cc1 |
hex | 34fbfd |
3472381 has 4 divisors (see below), whose sum is σ = 3788064. Its totient is φ = 3156700.
The previous prime is 3472367. The next prime is 3472387. The reversal of 3472381 is 1832743.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1832743 = 11 ⋅166613.
It is a cyclic number.
It is not a de Polignac number, because 3472381 - 25 = 3472349 is a prime.
It is a super-2 number, since 2×34723812 = 24114859618322, which contains 22 as substring.
It is an alternating number because its digits alternate between odd and even.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3472387) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157825 + ... + 157846.
It is an arithmetic number, because the mean of its divisors is an integer number (947016).
Almost surely, 23472381 is an apocalyptic number.
It is an amenable number.
3472381 is a deficient number, since it is larger than the sum of its proper divisors (315683).
3472381 is a wasteful number, since it uses less digits than its factorization.
3472381 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 315682.
The product of its digits is 4032, while the sum is 28.
The square root of 3472381 is about 1863.4325853113. The cubic root of 3472381 is about 151.4290241811.
The spelling of 3472381 in words is "three million, four hundred seventy-two thousand, three hundred eighty-one".
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