Search a number
-
+
979411540 = 225223219599
BaseRepresentation
bin111010011000001…
…010001001010100
32112020221021001111
4322120022021110
54001212132130
6241104104404
733161601142
oct7230121124
92466837044
10979411540
11462941428
12234005104
13127babc73
149410c592
155aeb602a
hex3a60a254

979411540 has 24 divisors (see below), whose sum is σ = 2065996800. Its totient is φ = 390006048.

The previous prime is 979411529. The next prime is 979411541. The reversal of 979411540 is 45114979.

It is a junction number, because it is equal to n+sod(n) for n = 979411493 and 979411502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (979411541) 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, 105340 + ... + 114259.

It is an arithmetic number, because the mean of its divisors is an integer number (86083200).

Almost surely, 2979411540 is an apocalyptic number.

It is an amenable number.

979411540 is an abundant number, since it is smaller than the sum of its proper divisors (1086585260).

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

979411540 is a wasteful number, since it uses less digits than its factorization.

979411540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219831 (or 219829 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 979411540 is about 31295.5514410595. The cubic root of 979411540 is about 993.0895354821.

The spelling of 979411540 in words is "nine hundred seventy-nine million, four hundred eleven thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 223 446 892 1115 2230 4460 219599 439198 878396 1097995 2195990 4391980 48970577 97941154 195882308 244852885 489705770 979411540