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241500140 = 22575093389
BaseRepresentation
bin11100110010011…
…11111111101100
3121211102110220122
432121033333230
5443311001030
635544104112
75661501020
oct1631177754
9554373818
10241500140
111143586a2
1268a65038
133b0578bb
1424106380
15163058e5
hexe64ffec

241500140 has 48 divisors (see below), whose sum is σ = 580910400. Its totient is φ = 82612992.

The previous prime is 241500131. The next prime is 241500143. The reversal of 241500140 is 41005142.

It is not an unprimeable number, because it can be changed into a prime (241500143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69566 + ... + 72954.

It is an arithmetic number, because the mean of its divisors is an integer number (12102300).

Almost surely, 2241500140 is an apocalyptic number.

241500140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

241500140 is an abundant number, since it is smaller than the sum of its proper divisors (339410260).

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

241500140 is a wasteful number, since it uses less digits than its factorization.

241500140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3914 (or 3912 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 241500140 is about 15540.2747723456. The cubic root of 241500140 is about 622.7386138137.

Adding to 241500140 its reverse (41005142), we get a palindrome (282505282).

The spelling of 241500140 in words is "two hundred forty-one million, five hundred thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 509 1018 2036 2545 3389 3563 5090 6778 7126 10180 13556 14252 16945 17815 23723 33890 35630 47446 67780 71260 94892 118615 237230 474460 1725001 3450002 6900004 8625005 12075007 17250010 24150014 34500020 48300028 60375035 120750070 241500140