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1393200788 = 227239208189
BaseRepresentation
bin101001100001010…
…1000111010010100
310121002112221012012
41103002220322110
510323124411123
6350125043352
746345003610
oct12302507224
93532487165
101393200788
11655475411
1232a6b6558
1319283aa85
14d3062340
15824a0378
hex530a8e94

1393200788 has 24 divisors (see below), whose sum is σ = 2798073600. Its totient is φ = 594584928.

The previous prime is 1393200773. The next prime is 1393200811. The reversal of 1393200788 is 8870023931.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97403 + ... + 110786.

It is an arithmetic number, because the mean of its divisors is an integer number (116586400).

Almost surely, 21393200788 is an apocalyptic number.

It is an amenable number.

1393200788 is an abundant number, since it is smaller than the sum of its proper divisors (1404872812).

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

1393200788 is a wasteful number, since it uses less digits than its factorization.

1393200788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208439 (or 208437 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 1393200788 is about 37325.6049917480. The cubic root of 1393200788 is about 1116.8750016080.

The spelling of 1393200788 in words is "one billion, three hundred ninety-three million, two hundred thousand, seven hundred eighty-eight".

Divisors: 1 2 4 7 14 28 239 478 956 1673 3346 6692 208189 416378 832756 1457323 2914646 5829292 49757171 99514342 199028684 348300197 696600394 1393200788