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132958840 = 23571273739
BaseRepresentation
bin1111110110011…
…00101001111000
3100021012000020111
413323030221320
5233014140330
621105434104
73203063050
oct773145170
9307160214
10132958840
1169062a43
123863b934
1321713491
1413930560
15ba1532a
hex7ecca78

132958840 has 64 divisors (see below), whose sum is σ = 344678400. Its totient is φ = 45214848.

The previous prime is 132958811. The next prime is 132958841. The reversal of 132958840 is 48859231.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 132958793 and 132958802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132958841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33691 + ... + 37429.

It is an arithmetic number, because the mean of its divisors is an integer number (5385600).

Almost surely, 2132958840 is an apocalyptic number.

132958840 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 132958840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172339200).

132958840 is an abundant number, since it is smaller than the sum of its proper divisors (211719560).

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

132958840 is a wasteful number, since it uses less digits than its factorization.

132958840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3884 (or 3880 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 132958840 is about 11530.7779442672. Note that the first 3 decimals coincide. The cubic root of 132958840 is about 510.3942101426.

The spelling of 132958840 in words is "one hundred thirty-two million, nine hundred fifty-eight thousand, eight hundred forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 127 140 254 280 508 635 889 1016 1270 1778 2540 3556 3739 4445 5080 7112 7478 8890 14956 17780 18695 26173 29912 35560 37390 52346 74780 104692 130865 149560 209384 261730 474853 523460 949706 1046920 1899412 2374265 3323971 3798824 4748530 6647942 9497060 13295884 16619855 18994120 26591768 33239710 66479420 132958840