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132131400 = 23352349631
BaseRepresentation
bin1111110000000…
…10101001001000
3100012121222012120
413320002221020
5232311201100
621040011240
73163045512
oct770025110
9305558176
10132131400
1168648305
1238300b20
13214b397b
1413796bb2
15b9000a0
hex7e02a48

132131400 has 96 divisors (see below), whose sum is σ = 411432000. Its totient is φ = 35078400.

The previous prime is 132131381. The next prime is 132131401. The reversal of 132131400 is 4131231.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 132131400.

It is not an unprimeable number, because it can be changed into a prime (132131401) 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 23 ways as a sum of consecutive naturals, for example, 209085 + ... + 209715.

It is an arithmetic number, because the mean of its divisors is an integer number (4285750).

Almost surely, 2132131400 is an apocalyptic number.

132131400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 132131400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205716000).

132131400 is an abundant number, since it is smaller than the sum of its proper divisors (279300600).

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

132131400 is a wasteful number, since it uses less digits than its factorization.

132131400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999 (or 990 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 132131400 is about 11494.8423216676. The cubic root of 132131400 is about 509.3332309208. Note that the first 3 decimals are identical.

Adding to 132131400 its reverse (4131231), we get a palindrome (136262631).

The spelling of 132131400 in words is "one hundred thirty-two million, one hundred thirty-one thousand, four hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 150 200 300 349 600 631 698 1047 1262 1396 1745 1893 2094 2524 2792 3155 3490 3786 4188 5048 5235 6310 6980 7572 8376 8725 9465 10470 12620 13960 15144 15775 17450 18930 20940 25240 26175 31550 34900 37860 41880 47325 52350 63100 69800 75720 94650 104700 126200 189300 209400 220219 378600 440438 660657 880876 1101095 1321314 1761752 2202190 2642628 3303285 4404380 5285256 5505475 6606570 8808760 11010950 13213140 16516425 22021900 26426280 33032850 44043800 66065700 132131400