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8144741 = 111017331
BaseRepresentation
bin11111000100011101100101
3120022210111002
4133010131211
54041112431
6450323045
7126141413
oct37043545
916283432
108144741
1146632a0
122889485
1318c2297
1411202b3
15aad3cb
hex7c4765

8144741 has 8 divisors (see below), whose sum is σ = 8974368. Its totient is φ = 7330000.

The previous prime is 8144693. The next prime is 8144743. The reversal of 8144741 is 1474418.

8144741 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 8144741 - 214 = 8128357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8144743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2555 + ... + 4776.

It is an arithmetic number, because the mean of its divisors is an integer number (1121796).

Almost surely, 28144741 is an apocalyptic number.

It is an amenable number.

8144741 is a deficient number, since it is larger than the sum of its proper divisors (829627).

8144741 is a wasteful number, since it uses less digits than its factorization.

8144741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7443.

The product of its digits is 3584, while the sum is 29.

The square root of 8144741 is about 2853.8992624127. The cubic root of 8144741 is about 201.1989729562.

It can be divided in two parts, 814 and 4741, that added together give a palindrome (5555).

The spelling of 8144741 in words is "eight million, one hundred forty-four thousand, seven hundred forty-one".

Divisors: 1 11 101 1111 7331 80641 740431 8144741