Search a number
-
+
2630250064 = 241317743849
BaseRepresentation
bin1001110011000110…
…0110111001010000
320210022021112210001
42130301212321100
520341321000224
61112555215344
7122115520351
oct23461467120
96708245701
102630250064
11112a786892
12614a47554
1332bc049b0
141ad477d28
15105da8544
hex9cc66e50

2630250064 has 40 divisors (see below), whose sum is σ = 5810956200. Its totient is φ = 1142550528.

The previous prime is 2630250061. The next prime is 2630250071. The reversal of 2630250064 is 4600520362.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 102171664 + 2528078400 = 10108^2 + 50280^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2630250061) 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, 368389 + ... + 375460.

It is an arithmetic number, because the mean of its divisors is an integer number (145273905).

Almost surely, 22630250064 is an apocalyptic number.

It is an amenable number.

2630250064 is an abundant number, since it is smaller than the sum of its proper divisors (3180706136).

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

2630250064 is a wasteful number, since it uses less digits than its factorization.

2630250064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743887 (or 743881 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 2630250064 is about 51285.9636157887. The cubic root of 2630250064 is about 1380.3811283647.

The spelling of 2630250064 in words is "two billion, six hundred thirty million, two hundred fifty thousand, sixty-four".

Divisors: 1 2 4 8 13 16 17 26 34 52 68 104 136 208 221 272 442 884 1768 3536 743849 1487698 2975396 5950792 9670037 11901584 12645433 19340074 25290866 38680148 50581732 77360296 101163464 154720592 164390629 202326928 328781258 657562516 1315125032 2630250064