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8713389 = 323373413
BaseRepresentation
bin100001001111…
…010010101101
3121101200112010
4201033102231
54212312024
6510431433
7134030316
oct41172255
917350463
108713389
114a11553
122b02579
131a61069
14122b60d
15b71b29
hex84f4ad

8713389 has 16 divisors (see below), whose sum is σ = 12454272. Its totient is φ = 5404608.

The previous prime is 8713373. The next prime is 8713399. The reversal of 8713389 is 9833178.

8713389 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8713389 - 24 = 8713373 is a prime.

8713389 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8713319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 847 + ... + 4259.

It is an arithmetic number, because the mean of its divisors is an integer number (778392).

Almost surely, 28713389 is an apocalyptic number.

It is an amenable number.

8713389 is a deficient number, since it is larger than the sum of its proper divisors (3740883).

8713389 is a wasteful number, since it uses less digits than its factorization.

8713389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3476.

The product of its digits is 36288, while the sum is 39.

The square root of 8713389 is about 2951.8450162568. The cubic root of 8713389 is about 205.7764644079.

The spelling of 8713389 in words is "eight million, seven hundred thirteen thousand, three hundred eighty-nine".

Divisors: 1 3 23 37 69 111 851 2553 3413 10239 78499 126281 235497 378843 2904463 8713389