Search a number
-
+
2530145256 = 233105422719
BaseRepresentation
bin1001011011001110…
…1111001111101000
320112022220200210120
42112303233033220
520140204122011
61055021443240
7116461610532
oct22663571750
96468820716
102530145256
111089223641
125a7410520
13314255592
141a005a852
15ec1d2a06
hex96cef3e8

2530145256 has 16 divisors (see below), whose sum is σ = 6325363200. Its totient is φ = 843381744.

The previous prime is 2530145249. The next prime is 2530145257. The reversal of 2530145256 is 6525410352.

It is not an unprimeable number, because it can be changed into a prime (2530145257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52711336 + ... + 52711383.

It is an arithmetic number, because the mean of its divisors is an integer number (395335200).

Almost surely, 22530145256 is an apocalyptic number.

It is an amenable number.

2530145256 is an abundant number, since it is smaller than the sum of its proper divisors (3795217944).

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

2530145256 is a wasteful number, since it uses less digits than its factorization.

2530145256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105422728 (or 105422724 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 2530145256 is about 50300.5492614146. The cubic root of 2530145256 is about 1362.6421488030.

The spelling of 2530145256 in words is "two billion, five hundred thirty million, one hundred forty-five thousand, two hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 24 105422719 210845438 316268157 421690876 632536314 843381752 1265072628 2530145256