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132442400 = 2552165553
BaseRepresentation
bin1111110010011…
…10100100100000
3100020012202211002
413321032210200
5232401124100
621050411132
73165512306
oct771164440
9306182732
10132442400
116883aa32
1238430aa8
13215923ac
1413838276
15b9622d5
hex7e4e920

132442400 has 36 divisors (see below), whose sum is σ = 323326962. Its totient is φ = 52976640.

The previous prime is 132442363. The next prime is 132442417. The reversal of 132442400 is 4244231.

It can be written as a sum of positive squares in 3 ways, for example, as 72658576 + 59783824 = 8524^2 + 7732^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 81977 + ... + 83576.

Almost surely, 2132442400 is an apocalyptic number.

132442400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132442400 is an abundant number, since it is smaller than the sum of its proper divisors (190884562).

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

132442400 is a wasteful number, since it uses less digits than its factorization.

132442400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165573 (or 165560 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 132442400 is about 11508.3621771302. The cubic root of 132442400 is about 509.7325266691.

Adding to 132442400 its reverse (4244231), we get a palindrome (136686631).

The spelling of 132442400 in words is "one hundred thirty-two million, four hundred forty-two thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 165553 331106 662212 827765 1324424 1655530 2648848 3311060 4138825 5297696 6622120 8277650 13244240 16555300 26488480 33110600 66221200 132442400