Base | Representation |
---|---|
bin | 1111111111010010001100 |
3 | 21212221111000 |
4 | 33333102030 |
5 | 2033110442 |
6 | 225500300 |
7 | 50424513 |
oct | 17772214 |
9 | 7787430 |
10 | 4191372 |
11 | 2403049 |
12 | 14a1690 |
13 | b39a03 |
14 | 7b167a |
15 | 57bd4c |
hex | 3ff48c |
4191372 has 36 divisors (see below), whose sum is σ = 10921960. Its totient is φ = 1390032.
The previous prime is 4191353. The next prime is 4191373. The reversal of 4191372 is 2731914.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
4191372 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (4191373) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21178 + ... + 21374.
Almost surely, 24191372 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 4191372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5460980).
4191372 is an abundant number, since it is smaller than the sum of its proper divisors (6730588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4191372 is a wasteful number, since it uses less digits than its factorization.
4191372 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 407 (or 202 counting only the distinct ones).
The product of its digits is 1512, while the sum is 27.
The square root of 4191372 is about 2047.2840545464. The cubic root of 4191372 is about 161.2323074152.
Multiplying 4191372 by its sum of digits (27), we get a square (113167044 = 106382).
4191372 divided by its sum of digits (27) gives a square (155236 = 3942).
The spelling of 4191372 in words is "four million, one hundred ninety-one thousand, three hundred seventy-two".
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