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545413040 = 24517401039
BaseRepresentation
bin100000100000100…
…101011110110000
31102000021212000222
4200200211132300
52104111204130
6130042032212
716341635324
oct4040453660
91360255028
10545413040
1125a964987
121327a8668
1388cc5713
1452617984
1532d38ce5
hex208257b0

545413040 has 40 divisors (see below), whose sum is σ = 1342681920. Its totient is φ = 205331456.

The previous prime is 545413009. The next prime is 545413049. The reversal of 545413040 is 40314545.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (545413049) 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 7 ways as a sum of consecutive naturals, for example, 199160 + ... + 201879.

It is an arithmetic number, because the mean of its divisors is an integer number (33567048).

Almost surely, 2545413040 is an apocalyptic number.

It is an amenable number.

545413040 is an abundant number, since it is smaller than the sum of its proper divisors (797268880).

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

545413040 is a wasteful number, since it uses less digits than its factorization.

545413040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401069 (or 401063 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 545413040 is about 23354.0797292465. The cubic root of 545413040 is about 817.0372158968.

Adding to 545413040 its reverse (40314545), we get a palindrome (585727585).

The spelling of 545413040 in words is "five hundred forty-five million, four hundred thirteen thousand, forty".

Divisors: 1 2 4 5 8 10 16 17 20 34 40 68 80 85 136 170 272 340 680 1360 401039 802078 1604156 2005195 3208312 4010390 6416624 6817663 8020780 13635326 16041560 27270652 32083120 34088315 54541304 68176630 109082608 136353260 272706520 545413040