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241740045 = 3857369
BaseRepresentation
bin11100110100010…
…10100100001101
3121211212200000000
432122022210031
5443341140140
635553154513
75663520321
oct1632124415
9554780000
10241740045
11114501968
1268b5ba39
133b10cb61
1424169981
1516351a30
hexe68a90d

241740045 has 36 divisors (see below), whose sum is σ = 435169020. Its totient is φ = 128910528.

The previous prime is 241740041. The next prime is 241740053. The reversal of 241740045 is 540047142.

It can be written as a sum of positive squares in 2 ways, for example, as 163788804 + 77951241 = 12798^2 + 8829^2 .

It is not a de Polignac number, because 241740045 - 22 = 241740041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241740041) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 29121 + ... + 36489.

Almost surely, 2241740045 is an apocalyptic number.

It is an amenable number.

241740045 is a deficient number, since it is larger than the sum of its proper divisors (193428975).

241740045 is an frugal number, since it uses more digits than its factorization.

241740045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7398 (or 7377 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 241740045 is about 15547.9916709522. The cubic root of 241740045 is about 622.9447540171.

Adding to 241740045 its reverse (540047142), we get a palindrome (781787187).

The spelling of 241740045 in words is "two hundred forty-one million, seven hundred forty thousand, forty-five".

Divisors: 1 3 5 9 15 27 45 81 135 243 405 729 1215 2187 3645 6561 7369 10935 22107 32805 36845 66321 110535 198963 331605 596889 994815 1790667 2984445 5372001 8953335 16116003 26860005 48348009 80580015 241740045