Search a number
-
+
8970030 = 232599667
BaseRepresentation
bin100010001101…
…111100101110
3121212201120100
4202031330232
54244020110
6520131530
7136146456
oct42157456
917781510
108970030
115077353
123006ba6
131b20b14
141296d66
15bc2bc0
hex88df2e

8970030 has 24 divisors (see below), whose sum is σ = 23322312. Its totient is φ = 2391984.

The previous prime is 8970011. The next prime is 8970037. The reversal of 8970030 is 300798.

8970030 = 14962 + 14972 + ... + 14992.

It is a happy number.

It is a super-2 number, since 2×89700302 = 160922876401800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8969976 and 8970003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8970037) 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 11 ways as a sum of consecutive naturals, for example, 49744 + ... + 49923.

It is an arithmetic number, because the mean of its divisors is an integer number (971763).

Almost surely, 28970030 is an apocalyptic number.

8970030 is an abundant number, since it is smaller than the sum of its proper divisors (14352282).

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

8970030 is a wasteful number, since it uses less digits than its factorization.

8970030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99680 (or 99677 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 8970030 is about 2995.0008347244. Note that the first 3 decimals coincide. The cubic root of 8970030 is about 207.7772362385. Note that the first 3 decimals are identical.

The spelling of 8970030 in words is "eight million, nine hundred seventy thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 99667 199334 299001 498335 598002 897003 996670 1495005 1794006 2990010 4485015 8970030