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201384320 = 2752313681
BaseRepresentation
bin11000000000011…
…10000110000000
3112000221101100112
430000032012000
5403023244240
631552210452
74663511204
oct1400160600
9460841315
10201384320
11a3749025
1257539a28
1332950427
141ca62b04
1512a2e665
hexc00e180

201384320 has 64 divisors (see below), whose sum is σ = 502403040. Its totient is φ = 77045760.

The previous prime is 201384317. The next prime is 201384341. The reversal of 201384320 is 23483102.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7880 + ... + 21560.

Almost surely, 2201384320 is an apocalyptic number.

201384320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201384320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251201520).

201384320 is an abundant number, since it is smaller than the sum of its proper divisors (301018720).

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

201384320 is a wasteful number, since it uses less digits than its factorization.

201384320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13723 (or 13711 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 201384320 is about 14190.9943273895. The cubic root of 201384320 is about 586.1497052935.

The spelling of 201384320 in words is "two hundred one million, three hundred eighty-four thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 23 32 40 46 64 80 92 115 128 160 184 230 320 368 460 640 736 920 1472 1840 2944 3680 7360 13681 14720 27362 54724 68405 109448 136810 218896 273620 314663 437792 547240 629326 875584 1094480 1258652 1573315 1751168 2188960 2517304 3146630 4377920 5034608 6293260 8755840 10069216 12586520 20138432 25173040 40276864 50346080 100692160 201384320