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4545642241 = 721513791621
BaseRepresentation
bin1000011101111000…
…01111111100000001
3102201210102112220001
410032330033330001
533302141022431
62031020520001
7220434215200
oct41674177401
912653375801
104545642241
111a22995328
12a6a3b0001
1357599754a
143119cb237
151b9106e61
hex10ef0ff01

4545642241 has 24 divisors (see below), whose sum is σ = 5340143040. Its totient is φ = 3857868000.

The previous prime is 4545642239. The next prime is 4545642253. The reversal of 4545642241 is 1422465454.

4545642241 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4545642241 - 21 = 4545642239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4545642241.

It is not an unprimeable number, because it can be changed into a prime (4545642221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2803411 + ... + 2805031.

It is an arithmetic number, because the mean of its divisors is an integer number (222505960).

Almost surely, 24545642241 is an apocalyptic number.

It is an amenable number.

4545642241 is a deficient number, since it is larger than the sum of its proper divisors (794500799).

4545642241 is a wasteful number, since it uses less digits than its factorization.

4545642241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2165 (or 2158 counting only the distinct ones).

The product of its digits is 153600, while the sum is 37.

The square root of 4545642241 is about 67421.3782193749. The cubic root of 4545642241 is about 1656.5266127277.

The spelling of 4545642241 in words is "four billion, five hundred forty-five million, six hundred forty-two thousand, two hundred forty-one".

Divisors: 1 7 49 151 379 1057 1621 2653 7399 11347 18571 57229 79429 244771 400603 614359 1713397 2804221 4300513 11993779 30103591 92768209 649377463 4545642241