Search a number
-
+
2540315550 = 235216935437
BaseRepresentation
bin1001011101101010…
…0010001110011110
320120001001101211010
42113122202032132
520200310044200
61100023440050
7116644216533
oct22732421636
96501041733
102540315550
111093a3a743
125aa8b6026
133163a67c6
141a1546d8a
15ed041150
hex976a239e

2540315550 has 24 divisors (see below), whose sum is σ = 6299982936. Its totient is φ = 677417440.

The previous prime is 2540315527. The next prime is 2540315563. The reversal of 2540315550 is 555130452.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8467569 + ... + 8467868.

It is an arithmetic number, because the mean of its divisors is an integer number (262499289).

Almost surely, 22540315550 is an apocalyptic number.

2540315550 is an abundant number, since it is smaller than the sum of its proper divisors (3759667386).

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

2540315550 is a wasteful number, since it uses less digits than its factorization.

2540315550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16935452 (or 16935447 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 2540315550 is about 50401.5431311384. The cubic root of 2540315550 is about 1364.4654886378.

The spelling of 2540315550 in words is "two billion, five hundred forty million, three hundred fifteen thousand, five hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 16935437 33870874 50806311 84677185 101612622 169354370 254031555 423385925 508063110 846771850 1270157775 2540315550