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3089993508 = 223472171072
BaseRepresentation
bin1011100000101101…
…1000111100100100
321222100100221020000
42320023120330210
522312014243013
61230341141300
7136400340300
oct27013307444
97870327200
103089993508
111346247948
127229ba830
133a3233534
14214550d00
1513141d973
hexb82d8f24

3089993508 has 270 divisors, whose sum is σ = 10043287254. Its totient is φ = 823156992.

The previous prime is 3089993507. The next prime is 3089993513. The reversal of 3089993508 is 8053999803.

It can be written as a sum of positive squares in only one way, i.e., 2908229184 + 181764324 = 53928^2 + 13482^2 .

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (3089993507) by changing a digit.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 28878391 + ... + 28878497.

Almost surely, 23089993508 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3089993508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5021643627).

3089993508 is an abundant number, since it is smaller than the sum of its proper divisors (6953293746).

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

3089993508 is a wasteful number, since it uses less digits than its factorization.

3089993508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 54.

The square root of 3089993508 is about 55587.7100445773. The cubic root of 3089993508 is about 1456.5291777181.

The spelling of 3089993508 in words is "three billion, eighty-nine million, nine hundred ninety-three thousand, five hundred eight".