Search a number
-
+
980904 = 233231777
BaseRepresentation
bin11101111011110101000
31211211112210
43233132220
5222342104
633005120
711223531
oct3573650
91754483
10980904
1160aa71
123b37a0
13284622
141b7688
15145989
hexef7a8

980904 has 32 divisors (see below), whose sum is σ = 2560320. Its totient is φ = 312576.

The previous prime is 980899. The next prime is 980909. The reversal of 980904 is 409089.

It is an interprime number because it is at equal distance from previous prime (980899) and next prime (980909).

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 980904.

It is not an unprimeable number, because it can be changed into a prime (980909) 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, 337 + ... + 1440.

It is an arithmetic number, because the mean of its divisors is an integer number (80010).

2980904 is an apocalyptic number.

It is an amenable number.

980904 is an abundant number, since it is smaller than the sum of its proper divisors (1579416).

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

980904 is a wasteful number, since it uses less digits than its factorization.

980904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809 (or 1805 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 980904 is about 990.4059773648. The cubic root of 980904 is about 99.3593713803.

The spelling of 980904 in words is "nine hundred eighty thousand, nine hundred four".

Divisors: 1 2 3 4 6 8 12 23 24 46 69 92 138 184 276 552 1777 3554 5331 7108 10662 14216 21324 40871 42648 81742 122613 163484 245226 326968 490452 980904