Search a number
-
+
7450980 = 2235124183
BaseRepresentation
bin11100011011000101100100
3112000112211020
4130123011210
53401412410
6423411140
7120221655
oct34330544
915015736
107450980
11422a039
1225b3ab0
13170b584
14dbd52c
159c2a70
hex71b164

7450980 has 24 divisors (see below), whose sum is σ = 20862912. Its totient is φ = 1986912.

The previous prime is 7450969. The next prime is 7450987. The reversal of 7450980 is 890547.

7450980 = T193 + T194 + ... + T372.

It is not an unprimeable number, because it can be changed into a prime (7450987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62032 + ... + 62151.

It is an arithmetic number, because the mean of its divisors is an integer number (869288).

Almost surely, 27450980 is an apocalyptic number.

It is an amenable number.

7450980 is an abundant number, since it is smaller than the sum of its proper divisors (13411932).

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

7450980 is a wasteful number, since it uses less digits than its factorization.

7450980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124195 (or 124193 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 7450980 is about 2729.6483289977. The cubic root of 7450980 is about 195.3159899750.

The spelling of 7450980 in words is "seven million, four hundred fifty thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 124183 248366 372549 496732 620915 745098 1241830 1490196 1862745 2483660 3725490 7450980