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132021320 = 23517194149
BaseRepresentation
bin1111101111001…
…11110001001000
3100012102101012112
413313213301020
5232244140240
621033401452
73162106544
oct767476110
9305371175
10132021320
1168582632
1238269288
1321475832
1413768a24
15b8cc665
hex7de7c48

132021320 has 32 divisors (see below), whose sum is σ = 314523000. Its totient is φ = 49701888.

The previous prime is 132021319. The next prime is 132021347. The reversal of 132021320 is 23120231.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 78818884 + 53202436 = 8878^2 + 7294^2 .

It is a junction number, because it is equal to n+sod(n) for n = 132021295 and 132021304.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96395 + ... + 97754.

Almost surely, 2132021320 is an apocalyptic number.

132021320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132021320 is an abundant number, since it is smaller than the sum of its proper divisors (182501680).

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

132021320 is a wasteful number, since it uses less digits than its factorization.

132021320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194177 (or 194173 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 132021320 is about 11490.0530895205. The cubic root of 132021320 is about 509.1917480752.

Adding to 132021320 its reverse (23120231), we get a palindrome (155141551).

The spelling of 132021320 in words is "one hundred thirty-two million, twenty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 194149 388298 776596 970745 1553192 1941490 3300533 3882980 6601066 7765960 13202132 16502665 26404264 33005330 66010660 132021320