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468396144 = 243218117971
BaseRepresentation
bin11011111010110…
…010100001110000
31012122100222201100
4123322302201300
51424402134034
6114251204400
714415205266
oct3372624160
91178328640
10468396144
11220440a57
12110a46700
137606b0a8
14462ca436
152b1c4099
hex1beb2870

468396144 has 60 divisors (see below), whose sum is σ = 1318174312. Its totient is φ = 155260800.

The previous prime is 468396101. The next prime is 468396161. The reversal of 468396144 is 441693864.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 468396144.

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, 17079 + ... + 35049.

Almost surely, 2468396144 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 468396144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (659087156).

468396144 is an abundant number, since it is smaller than the sum of its proper divisors (849778168).

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

468396144 is a wasteful number, since it uses less digits than its factorization.

468396144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18166 (or 18157 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 468396144 is about 21642.4615975170. The cubic root of 468396144 is about 776.6126083279.

The spelling of 468396144 in words is "four hundred sixty-eight million, three hundred ninety-six thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 181 362 543 724 1086 1448 1629 2172 2896 3258 4344 6516 8688 13032 17971 26064 35942 53913 71884 107826 143768 161739 215652 287536 323478 431304 646956 862608 1293912 2587824 3252751 6505502 9758253 13011004 19516506 26022008 29274759 39033012 52044016 58549518 78066024 117099036 156132048 234198072 468396144