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744111041 = 1939163739
BaseRepresentation
bin101100010110100…
…011101111000001
31220212011202110012
4230112203233001
53010443023131
6201500514305
724303560642
oct5426435701
91825152405
10744111041
11352038703
1218924b995
13bb2151bb
1470b7b6c9
15454d752b
hex2c5a3bc1

744111041 has 4 divisors (see below), whose sum is σ = 783274800. Its totient is φ = 704947284.

The previous prime is 744111023. The next prime is 744111061. The reversal of 744111041 is 140111447.

744111041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 140111447 = 720015921.

It is a cyclic number.

It is not a de Polignac number, because 744111041 - 214 = 744094657 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 744110998 and 744111016.

It is not an unprimeable number, because it can be changed into a prime (744111061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19581851 + ... + 19581888.

It is an arithmetic number, because the mean of its divisors is an integer number (195818700).

Almost surely, 2744111041 is an apocalyptic number.

It is an amenable number.

744111041 is a deficient number, since it is larger than the sum of its proper divisors (39163759).

744111041 is a wasteful number, since it uses less digits than its factorization.

744111041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39163758.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 744111041 is about 27278.3987983166. The cubic root of 744111041 is about 906.1760565844.

Adding to 744111041 its reverse (140111447), we get a palindrome (884222488).

The spelling of 744111041 in words is "seven hundred forty-four million, one hundred eleven thousand, forty-one".

Divisors: 1 19 39163739 744111041