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9030505272 = 2332316359611
BaseRepresentation
bin10000110100100001…
…01001001100111000
3212022100111012101020
420122100221030320
5121443302132042
64052031022440
7436533012465
oct103220511470
925270435336
109030505272
1139145372a8
12190036aa20
13b0bba1259
146194b666c
1537cc053ec
hex21a429338

9030505272 has 32 divisors (see below), whose sum is σ = 23557841280. Its totient is φ = 2879291360.

The previous prime is 9030505259. The next prime is 9030505277. The reversal of 9030505272 is 2725050309.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9030505277) by changing a digit.

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, 8179254 + ... + 8180357.

It is an arithmetic number, because the mean of its divisors is an integer number (736182540).

Almost surely, 29030505272 is an apocalyptic number.

9030505272 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

9030505272 is an abundant number, since it is smaller than the sum of its proper divisors (14527336008).

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

9030505272 is a wasteful number, since it uses less digits than its factorization.

9030505272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16359643 (or 16359639 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 9030505272 is about 95028.9706984139. The cubic root of 9030505272 is about 2082.4313032789.

The spelling of 9030505272 in words is "nine billion, thirty million, five hundred five thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 23 24 46 69 92 138 184 276 552 16359611 32719222 49078833 65438444 98157666 130876888 196315332 376271053 392630664 752542106 1128813159 1505084212 2257626318 3010168424 4515252636 9030505272