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741858641 = 2141346501
BaseRepresentation
bin101100001101111…
…101110101010001
31220200221022201222
4230031331311101
53004403434031
6201340334425
724245460116
oct5415756521
91820838658
10741858641
1135083a417
12188544415
13ba906c14
147075290d
15451dee7b
hex2c37dd51

741858641 has 4 divisors (see below), whose sum is σ = 742207284. Its totient is φ = 741510000.

The previous prime is 741858569. The next prime is 741858643. The reversal of 741858641 is 146858147.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 146858147 = 947915493.

It can be written as a sum of positive squares in 2 ways, for example, as 666672400 + 75186241 = 25820^2 + 8671^2 .

It is a cyclic number.

It is not a de Polignac number, because 741858641 - 222 = 737664337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 741858592 and 741858601.

It is not an unprimeable number, because it can be changed into a prime (741858643) 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 3 ways as a sum of consecutive naturals, for example, 171110 + ... + 175391.

It is an arithmetic number, because the mean of its divisors is an integer number (185551821).

Almost surely, 2741858641 is an apocalyptic number.

It is an amenable number.

741858641 is a deficient number, since it is larger than the sum of its proper divisors (348643).

741858641 is a wasteful number, since it uses less digits than its factorization.

741858641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348642.

The product of its digits is 215040, while the sum is 44.

The square root of 741858641 is about 27237.0820940864. The cubic root of 741858641 is about 905.2608106395.

The spelling of 741858641 in words is "seven hundred forty-one million, eight hundred fifty-eight thousand, six hundred forty-one".

Divisors: 1 2141 346501 741858641