Search a number
-
+
419724 = 223289131
BaseRepresentation
bin1100110011110001100
3210022202100
41212132030
5101412344
612555100
73365454
oct1463614
9708670
10419724
11267388
12182a90
13119076
14acd64
1584569
hex6678c

419724 has 36 divisors (see below), whose sum is σ = 1081080. Its totient is φ = 137280.

The previous prime is 419711. The next prime is 419743. The reversal of 419724 is 427914.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a plaindrome in base 16.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3139 + ... + 3269.

It is an arithmetic number, because the mean of its divisors is an integer number (30030).

2419724 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 419724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (540540).

419724 is an abundant number, since it is smaller than the sum of its proper divisors (661356).

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

419724 is a wasteful number, since it uses less digits than its factorization.

419724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230 (or 225 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 419724 is about 647.8610962236. The cubic root of 419724 is about 74.8723160809.

The spelling of 419724 in words is "four hundred nineteen thousand, seven hundred twenty-four".

Divisors: 1 2 3 4 6 9 12 18 36 89 131 178 262 267 356 393 524 534 786 801 1068 1179 1572 1602 2358 3204 4716 11659 23318 34977 46636 69954 104931 139908 209862 419724