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1950228045 = 32543338401
BaseRepresentation
bin111010000111110…
…0001111001001101
312000220200211221100
41310033201321031
512443224244140
6521304053313
766220444023
oct16417417115
95026624840
101950228045
11910942217
12465164239
1325106b9bc
14147020713
15b6330530
hex743e1e4d

1950228045 has 12 divisors (see below), whose sum is σ = 3380395356. Its totient is φ = 1040121600.

The previous prime is 1950228043. The next prime is 1950228053. The reversal of 1950228045 is 5408220591.

It can be written as a sum of positive squares in 2 ways, for example, as 212838921 + 1737389124 = 14589^2 + 41682^2 .

It is not a de Polignac number, because 1950228045 - 21 = 1950228043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1950228041) by changing a digit.

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, 21669156 + ... + 21669245.

It is an arithmetic number, because the mean of its divisors is an integer number (281699613).

Almost surely, 21950228045 is an apocalyptic number.

1950228045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1950228045 is a deficient number, since it is larger than the sum of its proper divisors (1430167311).

1950228045 is a wasteful number, since it uses less digits than its factorization.

1950228045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43338412 (or 43338409 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 1950228045 is about 44161.3863573145. The cubic root of 1950228045 is about 1249.3816771252.

The spelling of 1950228045 in words is "one billion, nine hundred fifty million, two hundred twenty-eight thousand, forty-five".

Divisors: 1 3 5 9 15 45 43338401 130015203 216692005 390045609 650076015 1950228045