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2145435550 = 25243997877
BaseRepresentation
bin111111111100000…
…1011111110011110
312112112000102021221
41333320023332132
513343212414200
6552520043554
7104110621066
oct17770137636
95475012257
102145435550
11a01051535
124ba6035ba
132826387bb
14164d163a6
15c853e91a
hex7fe0bf9e

2145435550 has 24 divisors (see below), whose sum is σ = 4083316776. Its totient is φ = 838215840.

The previous prime is 2145435527. The next prime is 2145435563. The reversal of 2145435550 is 555345412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 496789 + ... + 501088.

It is an arithmetic number, because the mean of its divisors is an integer number (170138199).

Almost surely, 22145435550 is an apocalyptic number.

2145435550 is a deficient number, since it is larger than the sum of its proper divisors (1937881226).

2145435550 is a wasteful number, since it uses less digits than its factorization.

2145435550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997932 (or 997927 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 34.

The square root of 2145435550 is about 46318.8465961751. The cubic root of 2145435550 is about 1289.7488744583.

The spelling of 2145435550 in words is "two billion, one hundred forty-five million, four hundred thirty-five thousand, five hundred fifty".

Divisors: 1 2 5 10 25 43 50 86 215 430 1075 2150 997877 1995754 4989385 9978770 24946925 42908711 49893850 85817422 214543555 429087110 1072717775 2145435550