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241765640 = 2356044141
BaseRepresentation
bin11100110100100…
…00110100001000
3121211220222002222
432122100310020
5443343000030
635553513212
75663655044
oct1632206410
9554828088
10241765640
1111451a116
1268b72808
133b11b6bc
1424175024
15163593e5
hexe690d08

241765640 has 16 divisors (see below), whose sum is σ = 543972780. Its totient is φ = 96706240.

The previous prime is 241765607. The next prime is 241765649. The reversal of 241765640 is 46567142.

It can be written as a sum of positive squares in 2 ways, for example, as 241056676 + 708964 = 15526^2 + 842^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 241765640.

It is not an unprimeable number, because it can be changed into a prime (241765649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3022031 + ... + 3022110.

Almost surely, 2241765640 is an apocalyptic number.

241765640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

241765640 is an abundant number, since it is smaller than the sum of its proper divisors (302207140).

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

241765640 is a wasteful number, since it uses less digits than its factorization.

241765640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6044152 (or 6044148 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 241765640 is about 15548.8147458255. The cubic root of 241765640 is about 622.9667386636.

The spelling of 241765640 in words is "two hundred forty-one million, seven hundred sixty-five thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 20 40 6044141 12088282 24176564 30220705 48353128 60441410 120882820 241765640