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141550640 = 24571122089
BaseRepresentation
bin10000110111111…
…10010000110000
3100212100111222022
420123332100300
5242214110030
622013531012
73336106040
oct1033762060
9325314868
10141550640
11729a1100
123b4a3a68
132343109a
1414b29720
15c660de5
hex86fe430

141550640 has 120 divisors (see below), whose sum is σ = 413619360. Its totient is φ = 44098560.

The previous prime is 141550637. The next prime is 141550679. The reversal of 141550640 is 46055141.

It is an unprimeable number.

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, 66716 + ... + 68804.

It is an arithmetic number, because the mean of its divisors is an integer number (3446828).

Almost surely, 2141550640 is an apocalyptic number.

141550640 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 141550640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206809680).

141550640 is an abundant number, since it is smaller than the sum of its proper divisors (272068720).

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

141550640 is a wasteful number, since it uses less digits than its factorization.

141550640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2131 (or 2114 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 141550640 is about 11897.5056209274. The cubic root of 141550640 is about 521.1594444226.

The spelling of 141550640 in words is "one hundred forty-one million, five hundred fifty thousand, six hundred forty".

Divisors: 1 2 4 5 7 8 10 11 14 16 20 22 28 35 40 44 55 56 70 77 80 88 110 112 121 140 154 176 220 242 280 308 385 440 484 560 605 616 770 847 880 968 1210 1232 1540 1694 1936 2089 2420 3080 3388 4178 4235 4840 6160 6776 8356 8470 9680 10445 13552 14623 16712 16940 20890 22979 29246 33424 33880 41780 45958 58492 67760 73115 83560 91916 114895 116984 146230 160853 167120 183832 229790 233968 252769 292460 321706 367664 459580 505538 584920 643412 804265 919160 1011076 1169840 1263845 1286824 1608530 1769383 1838320 2022152 2527690 2573648 3217060 3538766 4044304 5055380 6434120 7077532 8846915 10110760 12868240 14155064 17693830 20221520 28310128 35387660 70775320 141550640