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8389413 = 34103573
BaseRepresentation
bin100000000000…
…001100100101
3120210020010000
4200000030211
54121430123
6455451513
7131210634
oct40001445
916706100
108389413
1148100aa
122986b99
131979766
14118551b
15b0ab43
hex800325

8389413 has 10 divisors (see below), whose sum is σ = 12532454. Its totient is φ = 5592888.

The previous prime is 8389373. The next prime is 8389441. The reversal of 8389413 is 3149838.

It can be written as a sum of positive squares in only one way, i.e., 4397409 + 3992004 = 2097^2 + 1998^2 .

It is not a de Polignac number, because 8389413 - 29 = 8388901 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 (8389463) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 51706 + ... + 51867.

Almost surely, 28389413 is an apocalyptic number.

It is an amenable number.

8389413 is a deficient number, since it is larger than the sum of its proper divisors (4143041).

8389413 is a wasteful number, since it uses less digits than its factorization.

8389413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103585 (or 103576 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 8389413 is about 2896.4483423669. The cubic root of 8389413 is about 203.1938339651.

The spelling of 8389413 in words is "eight million, three hundred eighty-nine thousand, four hundred thirteen".

Divisors: 1 3 9 27 81 103573 310719 932157 2796471 8389413