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4287630399 = 313237365479
BaseRepresentation
bin1111111110010000…
…0000110000111111
3102001210221012011220
43333210000300333
532240113133044
61545242444423
7211152154113
oct37744006077
912053835156
104287630399
11190028a1a8
129b7b03713
135343ab210
142c9627743
151a163e019
hexff900c3f

4287630399 has 32 divisors (see below), whose sum is σ = 6512378880. Its totient is φ = 2489211648.

The previous prime is 4287630397. The next prime is 4287630427. The reversal of 4287630399 is 9930367824.

4287630399 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 654802-1.

It is not a de Polignac number, because 4287630399 - 21 = 4287630397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4287630397) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32742 + ... + 98220.

It is an arithmetic number, because the mean of its divisors is an integer number (203511840).

Almost surely, 24287630399 is an apocalyptic number.

4287630399 is a deficient number, since it is larger than the sum of its proper divisors (2224748481).

4287630399 is a wasteful number, since it uses less digits than its factorization.

4287630399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65591.

The product of its (nonzero) digits is 1959552, while the sum is 51.

The square root of 4287630399 is about 65479.9999923641. Note that the first 5 decimals coincide. The cubic root of 4287630399 is about 1624.5725612177.

The spelling of 4287630399 in words is "four billion, two hundred eighty-seven million, six hundred thirty thousand, three hundred ninety-nine".

Divisors: 1 3 13 23 39 69 73 219 299 897 949 1679 2847 5037 21827 65479 65481 196437 851227 1506017 2553681 4518051 4779967 14339901 19578221 58734663 62139571 109939241 186418713 329817723 1429210133 4287630399