Search a number
-
+
2524490000 = 2454252449
BaseRepresentation
bin1001011001111000…
…1010100100010000
320111221021101020122
42112132022210100
520132232140000
61054300325412
7116362545104
oct22636124420
96457241218
102524490000
11108601077a
125a5543868
13313025486
1419d3c7904
15eb967085
hex9678a910

2524490000 has 50 divisors (see below), whose sum is σ = 6112066950. Its totient is φ = 1009792000.

The previous prime is 2524489969. The next prime is 2524490029. The reversal of 2524490000 is 944252.

It can be written as a sum of positive squares in 5 ways, for example, as 1415866384 + 1108623616 = 37628^2 + 33296^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 116225 + ... + 136224.

It is an arithmetic number, because the mean of its divisors is an integer number (122241339).

Almost surely, 22524490000 is an apocalyptic number.

2524490000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2524490000 is an abundant number, since it is smaller than the sum of its proper divisors (3587576950).

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

2524490000 is an equidigital number, since it uses as much as digits as its factorization.

2524490000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252477 (or 252456 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2524490000 is about 50244.3031596618. The cubic root of 2524490000 is about 1361.6261545982.

The spelling of 2524490000 in words is "two billion, five hundred twenty-four million, four hundred ninety thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 1000 1250 2000 2500 5000 10000 252449 504898 1009796 1262245 2019592 2524490 4039184 5048980 6311225 10097960 12622450 20195920 25244900 31556125 50489800 63112250 100979600 126224500 157780625 252449000 315561250 504898000 631122500 1262245000 2524490000