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120550530 = 23513928909
BaseRepresentation
bin1110010111101…
…11010010000010
322101211121020110
413023313102002
5221330104110
615543452150
72662443162
oct713672202
9271747213
10120550530
1162058441
1234457056
131bc8a699
14120205a2
15a8b3a20
hex72f7482

120550530 has 32 divisors (see below), whose sum is σ = 291412800. Its totient is φ = 31914432.

The previous prime is 120550517. The next prime is 120550541. The reversal of 120550530 is 35055021.

It is a junction number, because it is equal to n+sod(n) for n = 120550497 and 120550506.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10285 + ... + 18624.

It is an arithmetic number, because the mean of its divisors is an integer number (9106650).

Almost surely, 2120550530 is an apocalyptic number.

120550530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120550530 is an abundant number, since it is smaller than the sum of its proper divisors (170862270).

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

120550530 is a wasteful number, since it uses less digits than its factorization.

120550530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29058.

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 120550530 is about 10979.5505372488. The cubic root of 120550530 is about 493.9955552606.

The spelling of 120550530 in words is "one hundred twenty million, five hundred fifty thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 139 278 417 695 834 1390 2085 4170 28909 57818 86727 144545 173454 289090 433635 867270 4018351 8036702 12055053 20091755 24110106 40183510 60275265 120550530