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3038890530 = 235138639029
BaseRepresentation
bin1011010100100001…
…1100101000100010
321211210012122010010
42311020130220202
522210423444110
61221313545350
7135210100104
oct26510345042
97753178103
103038890530
11131a413485
12709875256
133957800a0
1420b84b574
1512bbc7020
hexb521ca22

3038890530 has 64 divisors (see below), whose sum is σ = 7864335360. Its totient is φ = 747085056.

The previous prime is 3038890513. The next prime is 3038890531. The reversal of 3038890530 is 350988303.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (3038890531) 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 31 ways as a sum of consecutive naturals, for example, 332056 + ... + 341084.

It is an arithmetic number, because the mean of its divisors is an integer number (122880240).

Almost surely, 23038890530 is an apocalyptic number.

3038890530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3038890530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3932167680).

3038890530 is an abundant number, since it is smaller than the sum of its proper divisors (4825444830).

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

3038890530 is a wasteful number, since it uses less digits than its factorization.

3038890530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9915.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 3038890530 is about 55126.1329135284. The cubic root of 3038890530 is about 1448.4550377545.

The spelling of 3038890530 in words is "three billion, thirty-eight million, eight hundred ninety thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 863 1726 2589 4315 5178 8630 9029 11219 12945 18058 22438 25890 27087 33657 45145 54174 56095 67314 90290 112190 117377 135435 168285 234754 270870 336570 352131 586885 704262 1173770 1760655 3521310 7792027 15584054 23376081 38960135 46752162 77920270 101296351 116880405 202592702 233760810 303889053 506481755 607778106 1012963510 1519445265 3038890530