Search a number
-
+
8980070 = 251181637
BaseRepresentation
bin100010010000…
…011001100110
3121220020100012
4202100121212
54244330240
6520250222
7136220651
oct42203146
917806305
108980070
115083950
123010972
131b25568
14129a898
15bc5b65
hex890666

8980070 has 16 divisors (see below), whose sum is σ = 17633808. Its totient is φ = 3265440.

The previous prime is 8980067. The next prime is 8980079. The reversal of 8980070 is 700898.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8980079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40709 + ... + 40928.

It is an arithmetic number, because the mean of its divisors is an integer number (1102113).

Almost surely, 28980070 is an apocalyptic number.

8980070 is a deficient number, since it is larger than the sum of its proper divisors (8653738).

8980070 is a wasteful number, since it uses less digits than its factorization.

8980070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81655.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 8980070 is about 2996.6764923829. The cubic root of 8980070 is about 207.8547278273.

The spelling of 8980070 in words is "eight million, nine hundred eighty thousand, seventy".

Divisors: 1 2 5 10 11 22 55 110 81637 163274 408185 816370 898007 1796014 4490035 8980070