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172468384 = 25111812707
BaseRepresentation
bin10100100011110…
…10100010100000
3110000112022010221
422101322202200
5323122442014
625040332424
74162646164
oct1221724240
9400468127
10172468384
1189399060
1249914114
13299679ca
1418c96ca4
151021bb24
hexa47a8a0

172468384 has 48 divisors (see below), whose sum is σ = 372599136. Its totient is φ = 77932800.

The previous prime is 172468381. The next prime is 172468403. The reversal of 172468384 is 483864271.

It is a self number, because there is not a number n which added to its sum of digits gives 172468384.

It is not an unprimeable number, because it can be changed into a prime (172468381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62359 + ... + 65065.

It is an arithmetic number, because the mean of its divisors is an integer number (7762482).

Almost surely, 2172468384 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 172468384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186299568).

172468384 is an abundant number, since it is smaller than the sum of its proper divisors (200130752).

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

172468384 is a wasteful number, since it uses less digits than its factorization.

172468384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2909 (or 2901 counting only the distinct ones).

The product of its digits is 258048, while the sum is 43.

The square root of 172468384 is about 13132.7218808593. The cubic root of 172468384 is about 556.6341297551.

The spelling of 172468384 in words is "one hundred seventy-two million, four hundred sixty-eight thousand, three hundred eighty-four".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 181 352 362 724 1448 1991 2707 2896 3982 5414 5792 7964 10828 15928 21656 29777 31856 43312 59554 63712 86624 119108 238216 476432 489967 952864 979934 1959868 3919736 5389637 7839472 10779274 15678944 21558548 43117096 86234192 172468384