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741445 = 5257577
BaseRepresentation
bin10110101000001000101
31101200001221
42311001011
5142211240
623520341
76205435
oct2650105
91350057
10741445
11467071
122b90b1
131cc633
141542c5
15e9a4a
hexb5045

741445 has 8 divisors (see below), whose sum is σ = 894744. Its totient is φ = 589824.

The previous prime is 741431. The next prime is 741457. The reversal of 741445 is 544147.

It can be written as a sum of positive squares in 4 ways, for example, as 527076 + 214369 = 726^2 + 463^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 8-Lehmer number, since φ(741445) divides (741445-1)8.

It is a cyclic number.

It is not a de Polignac number, because 741445 - 25 = 741413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 997 + ... + 1573.

It is an arithmetic number, because the mean of its divisors is an integer number (111843).

2741445 is an apocalyptic number.

It is an amenable number.

741445 is a deficient number, since it is larger than the sum of its proper divisors (153299).

741445 is a wasteful number, since it uses less digits than its factorization.

741445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839.

The product of its digits is 2240, while the sum is 25.

The square root of 741445 is about 861.0720062805. The cubic root of 741445 is about 90.5092529432.

The spelling of 741445 in words is "seven hundred forty-one thousand, four hundred forty-five".

Divisors: 1 5 257 577 1285 2885 148289 741445