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389683896 = 233713716931
BaseRepresentation
bin10111001110100…
…001101010111000
31000011020222210220
4113032201222320
51244224341041
6102400140040
712441154440
oct2716415270
91004228726
10389683896
1118aa6a308
12aa607620
136296bbb4
1439a7b120
1524326d66
hex173a1ab8

389683896 has 64 divisors (see below), whose sum is σ = 1121575680. Its totient is φ = 110519040.

The previous prime is 389683867. The next prime is 389683897. The reversal of 389683896 is 698386983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389683897) 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, 14551 + ... + 31481.

It is an arithmetic number, because the mean of its divisors is an integer number (17524620).

Almost surely, 2389683896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 389683896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (560787840).

389683896 is an abundant number, since it is smaller than the sum of its proper divisors (731891784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

389683896 is a wasteful number, since it uses less digits than its factorization.

389683896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17084 (or 17080 counting only the distinct ones).

The product of its digits is 13436928, while the sum is 60.

The square root of 389683896 is about 19740.4127616420. The cubic root of 389683896 is about 730.4169107860.

The spelling of 389683896 in words is "three hundred eighty-nine million, six hundred eighty-three thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 137 168 274 411 548 822 959 1096 1644 1918 2877 3288 3836 5754 7672 11508 16931 23016 33862 50793 67724 101586 118517 135448 203172 237034 355551 406344 474068 711102 948136 1422204 2319547 2844408 4639094 6958641 9278188 13917282 16236829 18556376 27834564 32473658 48710487 55669128 64947316 97420974 129894632 194841948 389683896