Search a number
-
+
2550730 = 257132803
BaseRepresentation
bin1001101110101111001010
311210120221111
421232233022
51123110410
6130400534
730452350
oct11565712
94716844
102550730
111492446
12a3014a
136b4010
144a57d0
15355b8a
hex26ebca

2550730 has 32 divisors (see below), whose sum is σ = 5652864. Its totient is φ = 806976.

The previous prime is 2550727. The next prime is 2550739. The reversal of 2550730 is 370552.

It is not an unprimeable number, because it can be changed into a prime (2550739) 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 15 ways as a sum of consecutive naturals, for example, 492 + ... + 2311.

It is an arithmetic number, because the mean of its divisors is an integer number (176652).

22550730 is an apocalyptic number.

2550730 is an abundant number, since it is smaller than the sum of its proper divisors (3102134).

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

2550730 is a wasteful number, since it uses less digits than its factorization.

2550730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2830.

The product of its (nonzero) digits is 1050, while the sum is 22.

The square root of 2550730 is about 1597.1004977771. The cubic root of 2550730 is about 136.6327564754.

The spelling of 2550730 in words is "two million, five hundred fifty thousand, seven hundred thirty".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 182 455 910 2803 5606 14015 19621 28030 36439 39242 72878 98105 182195 196210 255073 364390 510146 1275365 2550730