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132971040 = 25325107863
BaseRepresentation
bin1111110110011…
…11101000100000
3100021012121222100
413323033220200
5233020033130
621110010400
73203143446
oct773175040
9307177870
10132971040
1169071124
1238646a00
1321718bb7
1413934b96
15ba18c60
hex7ecfa20

132971040 has 144 divisors (see below), whose sum is σ = 458535168. Its totient is φ = 35086848.

The previous prime is 132971023. The next prime is 132971051. The reversal of 132971040 is 40179231.

132971040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is a junction number, because it is equal to n+sod(n) for n = 132970995 and 132971013.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153649 + ... + 154511.

It is an arithmetic number, because the mean of its divisors is an integer number (3184272).

Almost surely, 2132971040 is an apocalyptic number.

132971040 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 132971040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229267584).

132971040 is an abundant number, since it is smaller than the sum of its proper divisors (325564128).

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

132971040 is a wasteful number, since it uses less digits than its factorization.

132971040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991 (or 980 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 132971040 is about 11531.3069510789. The cubic root of 132971040 is about 510.4098205348.

The spelling of 132971040 in words is "one hundred thirty-two million, nine hundred seventy-one thousand, forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 107 120 144 160 180 214 240 288 321 360 428 480 535 642 720 856 863 963 1070 1284 1440 1605 1712 1726 1926 2140 2568 2589 3210 3424 3452 3852 4280 4315 4815 5136 5178 6420 6904 7704 7767 8560 8630 9630 10272 10356 12840 12945 13808 15408 15534 17120 17260 19260 20712 25680 25890 27616 30816 31068 34520 38520 38835 41424 51360 51780 62136 69040 77040 77670 82848 92341 103560 124272 138080 154080 155340 184682 207120 248544 277023 310680 369364 414240 461705 554046 621360 738728 831069 923410 1108092 1242720 1385115 1477456 1662138 1846820 2216184 2770230 2954912 3324276 3693640 4155345 4432368 5540460 6648552 7387280 8310690 8864736 11080920 13297104 14774560 16621380 22161840 26594208 33242760 44323680 66485520 132971040