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1384650272 = 25172545313
BaseRepresentation
bin101001010001000…
…0001011000100000
310120111110112002102
41102202001120200
510313432302042
6345221505532
746212222155
oct12242013040
93514415072
101384650272
11650665275
123278722a8
13190b35bb5
14d1c7822c
1581861b32
hex52881620

1384650272 has 24 divisors (see below), whose sum is σ = 2886386076. Its totient is φ = 651599872.

The previous prime is 1384650271. The next prime is 1384650283. The reversal of 1384650272 is 2720564831.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1384137616 + 512656 = 37204^2 + 716^2 .

It is not an unprimeable number, because it can be changed into a prime (1384650271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1272113 + ... + 1273200.

Almost surely, 21384650272 is an apocalyptic number.

It is an amenable number.

1384650272 is an abundant number, since it is smaller than the sum of its proper divisors (1501735804).

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

1384650272 is a wasteful number, since it uses less digits than its factorization.

1384650272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2545340 (or 2545332 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 1384650272 is about 37210.8891589545. The cubic root of 1384650272 is about 1114.5854389985.

The spelling of 1384650272 in words is "one billion, three hundred eighty-four million, six hundred fifty thousand, two hundred seventy-two".

Divisors: 1 2 4 8 16 17 32 34 68 136 272 544 2545313 5090626 10181252 20362504 40725008 43270321 81450016 86540642 173081284 346162568 692325136 1384650272