Search a number
-
+
5671830 = 235189061
BaseRepresentation
bin10101101000101110010110
3101200011021210
4111220232112
52422444310
6321322250
766131643
oct25505626
911604253
105671830
11322436a
121a96386
131237818
14a78dca
15770820
hex568b96

5671830 has 16 divisors (see below), whose sum is σ = 13612464. Its totient is φ = 1512480.

The previous prime is 5671811. The next prime is 5671837. The reversal of 5671830 is 381765.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 189061 = 5671830 / (5 + 6 + 7 + 1 + 8 + 3 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5671837) 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, 94501 + ... + 94560.

It is an arithmetic number, because the mean of its divisors is an integer number (850779).

Almost surely, 25671830 is an apocalyptic number.

5671830 is an abundant number, since it is smaller than the sum of its proper divisors (7940634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5671830 is a wasteful number, since it uses less digits than its factorization.

5671830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189071.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 5671830 is about 2381.5604128386. The cubic root of 5671830 is about 178.3368406061.

The spelling of 5671830 in words is "five million, six hundred seventy-one thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 189061 378122 567183 945305 1134366 1890610 2835915 5671830