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84256741 = 283297727
BaseRepresentation
bin1010000010110…
…10011111100101
312212112200112001
411001122133211
5133032203431
612205525301
72042112322
oct501323745
9185480461
1084256741
1143619378
1224273831
13145c0a7a
14b293b49
1575e4e61
hex505a7e5

84256741 has 4 divisors (see below), whose sum is σ = 84554752. Its totient is φ = 83958732.

The previous prime is 84256723. The next prime is 84256771. The reversal of 84256741 is 14765248.

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.

It is a cyclic number.

It is not a de Polignac number, because 84256741 - 29 = 84256229 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84256741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84256771) 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, 148581 + ... + 149146.

It is an arithmetic number, because the mean of its divisors is an integer number (21138688).

Almost surely, 284256741 is an apocalyptic number.

It is an amenable number.

84256741 is a deficient number, since it is larger than the sum of its proper divisors (298011).

84256741 is a wasteful number, since it uses less digits than its factorization.

84256741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298010.

The product of its digits is 53760, while the sum is 37.

The square root of 84256741 is about 9179.1470736665. The cubic root of 84256741 is about 438.3976514922.

The spelling of 84256741 in words is "eighty-four million, two hundred fifty-six thousand, seven hundred forty-one".

Divisors: 1 283 297727 84256741