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120140250 = 2353413907
BaseRepresentation
bin1110010100100…
…11000111011010
322101001202102220
413022103013122
5221223442000
615531004510
72656114056
oct712230732
9271052386
10120140250
11618a816a
1234299736
131bb75a09
1411d54c66
15a8321a0
hex72931da

120140250 has 64 divisors (see below), whose sum is σ = 307262592. Its totient is φ = 31248000.

The previous prime is 120140239. The next prime is 120140257. The reversal of 120140250 is 52041021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (120140257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28797 + ... + 32703.

It is an arithmetic number, because the mean of its divisors is an integer number (4800978).

Almost surely, 2120140250 is an apocalyptic number.

120140250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 120140250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153631296).

120140250 is an abundant number, since it is smaller than the sum of its proper divisors (187122342).

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

120140250 is a wasteful number, since it uses less digits than its factorization.

120140250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3968 (or 3958 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 120140250 is about 10960.8507881460. The cubic root of 120140250 is about 493.4344990768.

Adding to 120140250 its reverse (52041021), we get a palindrome (172181271).

The spelling of 120140250 in words is "one hundred twenty million, one hundred forty thousand, two hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 41 50 75 82 123 125 150 205 246 250 375 410 615 750 1025 1230 2050 3075 3907 5125 6150 7814 10250 11721 15375 19535 23442 30750 39070 58605 97675 117210 160187 195350 293025 320374 480561 488375 586050 800935 961122 976750 1465125 1601870 2402805 2930250 4004675 4805610 8009350 12014025 20023375 24028050 40046750 60070125 120140250