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8230741 = 53971601
BaseRepresentation
bin11111011001011101010101
3120111011110021
4133121131111
54101340431
6452225141
7126650221
oct37313525
916434407
108230741
114711972
12290b1b1
13192247c
141143781
15ac8b11
hex7d9755

8230741 has 8 divisors (see below), whose sum is σ = 8477784. Its totient is φ = 7987200.

The previous prime is 8230727. The next prime is 8230753. The reversal of 8230741 is 1470328.

It can be written as a sum of positive squares in 4 ways, for example, as 4639716 + 3591025 = 2154^2 + 1895^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 8230741 - 213 = 8222549 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8236741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4341 + ... + 5941.

It is an arithmetic number, because the mean of its divisors is an integer number (1059723).

Almost surely, 28230741 is an apocalyptic number.

It is an amenable number.

8230741 is a deficient number, since it is larger than the sum of its proper divisors (247043).

8230741 is a wasteful number, since it uses less digits than its factorization.

8230741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 8230741 is about 2868.9268028306. The cubic root of 8230741 is about 201.9046457116.

The spelling of 8230741 in words is "eight million, two hundred thirty thousand, seven hundred forty-one".

Divisors: 1 53 97 1601 5141 84853 155297 8230741