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28292287350 = 2352238200663
BaseRepresentation
bin11010010110010110…
…100000101101110110
32201000201221010000110
4122112112200231312
5430420311143400
620555225523450
72021052321525
oct322626405566
981021833013
1028292287350
1110aa9293268
125597043586
13288b648142
1415257164bc
15b08c4ee50
hex6965a0b76

28292287350 has 48 divisors (see below), whose sum is σ = 73215528192. Its totient is φ = 7216582560.

The previous prime is 28292287343. The next prime is 28292287363. The reversal of 28292287350 is 5378229282.

It is a self number, because there is not a number n which added to its sum of digits gives 28292287350.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4096882 + ... + 4103781.

It is an arithmetic number, because the mean of its divisors is an integer number (1525323504).

Almost surely, 228292287350 is an apocalyptic number.

28292287350 is an abundant number, since it is smaller than the sum of its proper divisors (44923240842).

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

28292287350 is a wasteful number, since it uses less digits than its factorization.

28292287350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8200701 (or 8200696 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 28292287350 in words is "twenty-eight billion, two hundred ninety-two million, two hundred eighty-seven thousand, three hundred fifty".

Divisors: 1 2 3 5 6 10 15 23 25 30 46 50 69 75 115 138 150 230 345 575 690 1150 1725 3450 8200663 16401326 24601989 41003315 49203978 82006630 123009945 188615249 205016575 246019890 377230498 410033150 565845747 615049725 943076245 1131691494 1230099450 1886152490 2829228735 4715381225 5658457470 9430762450 14146143675 28292287350