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132386580 = 223255313877
BaseRepresentation
bin1111110010000…
…00111100010100
3100020002221020200
413321000330110
5232342332310
621045300500
73165160464
oct771007424
9306087220
10132386580
1168801aa7
1238404730
1321572b71
1413821ba4
15b9509c0
hex7e40f14

132386580 has 72 divisors (see below), whose sum is σ = 409178952. Its totient is φ = 34634496.

The previous prime is 132386549. The next prime is 132386587. The reversal of 132386580 is 85683231.

It can be written as a sum of positive squares in 4 ways, for example, as 4334724 + 128051856 = 2082^2 + 11316^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132386587) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 2602 + ... + 16478.

It is an arithmetic number, because the mean of its divisors is an integer number (5683041).

Almost surely, 2132386580 is an apocalyptic number.

132386580 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 132386580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204589476).

132386580 is an abundant number, since it is smaller than the sum of its proper divisors (276792372).

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

132386580 is a wasteful number, since it uses less digits than its factorization.

132386580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13945 (or 13940 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 132386580 is about 11505.9367284893. The cubic root of 132386580 is about 509.6609049227.

The spelling of 132386580 in words is "one hundred thirty-two million, three hundred eighty-six thousand, five hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 53 60 90 106 159 180 212 265 318 477 530 636 795 954 1060 1590 1908 2385 3180 4770 9540 13877 27754 41631 55508 69385 83262 124893 138770 166524 208155 249786 277540 416310 499572 624465 735481 832620 1248930 1470962 2206443 2497860 2941924 3677405 4412886 6619329 7354810 8825772 11032215 13238658 14709620 22064430 26477316 33096645 44128860 66193290 132386580