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905903068 = 227191233727
BaseRepresentation
bin110101111111101…
…111101111011100
32100010121122101111
4311333233233130
53323402344233
6225520351404
731310022550
oct6577575734
92303548344
10905903068
114253a4424
12213475564
131158b2525
1488455860
15547e5acd
hex35fefbdc

905903068 has 48 divisors (see below), whose sum is σ = 1831624704. Its totient is φ = 384024960.

The previous prime is 905903057. The next prime is 905903081. The reversal of 905903068 is 860309509.

It is a super-2 number, since 2×9059030682 = 1641320737223625248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 905903068.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1245721 + ... + 1246447.

It is an arithmetic number, because the mean of its divisors is an integer number (38158848).

Almost surely, 2905903068 is an apocalyptic number.

It is an amenable number.

905903068 is an abundant number, since it is smaller than the sum of its proper divisors (925721636).

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

905903068 is a wasteful number, since it uses less digits than its factorization.

905903068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162 (or 1160 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 905903068 is about 30098.2236685157. The cubic root of 905903068 is about 967.5956564899.

The spelling of 905903068 in words is "nine hundred five million, nine hundred three thousand, sixty-eight".

Divisors: 1 2 4 7 14 28 191 233 382 466 727 764 932 1337 1454 1631 2674 2908 3262 5089 5348 6524 10178 20356 44503 89006 138857 169391 178012 277714 311521 338782 555428 623042 677564 971999 1185737 1246084 1943998 2371474 3887996 4742948 32353681 64707362 129414724 226475767 452951534 905903068