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84288384 = 2733293
BaseRepresentation
bin1010000011000…
…10001110000000
312212121021221000
411001202032000
5133034212014
612210332000
72042303505
oct501421600
9185537830
1084288384
1143640124
122428a000
13146022ab
14b2a14ac
1575ee509
hex5062380

84288384 has 128 divisors (see below), whose sum is σ = 257652000. Its totient is φ = 27127296.

The previous prime is 84288383. The next prime is 84288401. The reversal of 84288384 is 48388248.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a tau number, because it is divible by the number of its divisors (128).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84288383) 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, 2906482 + ... + 2906510.

Almost surely, 284288384 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 84288384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128826000).

84288384 is an abundant number, since it is smaller than the sum of its proper divisors (173363616).

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

84288384 is an frugal number, since it uses more digits than its factorization.

84288384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110 (or 34 counting only the distinct ones).

The product of its digits is 393216, while the sum is 45.

The square root of 84288384 is about 9180.8705469580. The cubic root of 84288384 is about 438.4525253634.

The spelling of 84288384 in words is "eighty-four million, two hundred eighty-eight thousand, three hundred eighty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 29 32 36 48 54 58 64 72 87 96 108 116 128 144 174 192 216 232 261 288 348 384 432 464 522 576 696 783 841 864 928 1044 1152 1392 1566 1682 1728 1856 2088 2523 2784 3132 3364 3456 3712 4176 5046 5568 6264 6728 7569 8352 10092 11136 12528 13456 15138 16704 20184 22707 24389 25056 26912 30276 33408 40368 45414 48778 50112 53824 60552 73167 80736 90828 97556 100224 107648 121104 146334 161472 181656 195112 219501 242208 292668 322944 363312 390224 439002 484416 585336 658503 726624 780448 878004 968832 1170672 1317006 1453248 1560896 1756008 2341344 2634012 2906496 3121792 3512016 4682688 5268024 7024032 9365376 10536048 14048064 21072096 28096128 42144192 84288384