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1384521200 = 245211330631
BaseRepresentation
bin101001010000110…
…0001110111110000
310120111012222000222
41102201201313300
510313414134300
6345215032212
746211143646
oct12241416760
93514188028
101384521200
116505872a7
1232780b668
13190abc21a
14d1c43196
1581838785
hex52861df0

1384521200 has 60 divisors (see below), whose sum is σ = 3355858128. Its totient is φ = 548889600.

The previous prime is 1384521143. The next prime is 1384521217. The reversal of 1384521200 is 21254831.

It is a self number, because there is not a number n which added to its sum of digits gives 1384521200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29885 + ... + 60515.

Almost surely, 21384521200 is an apocalyptic number.

1384521200 is a gapful number since it is divisible by the number (10) 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 1384521200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1677929064).

1384521200 is an abundant number, since it is smaller than the sum of its proper divisors (1971336928).

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

1384521200 is a wasteful number, since it uses less digits than its factorization.

1384521200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30762 (or 30751 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 1384521200 is about 37209.1547874982. The cubic root of 1384521200 is about 1114.5508054055.

The spelling of 1384521200 in words is "one billion, three hundred eighty-four million, five hundred twenty-one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 113 200 226 400 452 565 904 1130 1808 2260 2825 4520 5650 9040 11300 22600 30631 45200 61262 122524 153155 245048 306310 490096 612620 765775 1225240 1531550 2450480 3063100 3461303 6126200 6922606 12252400 13845212 17306515 27690424 34613030 55380848 69226060 86532575 138452120 173065150 276904240 346130300 692260600 1384521200