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1975364228 = 22761648937
BaseRepresentation
bin111010110111101…
…1010101010000100
312002122222220022002
41311233122222010
513021143123403
6524002524432
766644214245
oct16557325204
95078886262
101975364228
11924050422
12471666718
1325632cb96
1414a4c4ccc
15b8648188
hex75bdaa84

1975364228 has 12 divisors (see below), whose sum is σ = 3461435292. Its totient is φ = 986382720.

The previous prime is 1975364221. The next prime is 1975364231. The reversal of 1975364228 is 8224635791.

It can be written as a sum of positive squares in 2 ways, for example, as 310887424 + 1664476804 = 17632^2 + 40798^2 .

It is not an unprimeable number, because it can be changed into a prime (1975364221) 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 3 ways as a sum of consecutive naturals, for example, 321425 + ... + 327512.

It is an arithmetic number, because the mean of its divisors is an integer number (288452941).

Almost surely, 21975364228 is an apocalyptic number.

It is an amenable number.

1975364228 is a deficient number, since it is larger than the sum of its proper divisors (1486071064).

1975364228 is a wasteful number, since it uses less digits than its factorization.

1975364228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649702 (or 649700 counting only the distinct ones).

The product of its digits is 725760, while the sum is 47.

The square root of 1975364228 is about 44445.0697828229. The cubic root of 1975364228 is about 1254.7264744660.

The spelling of 1975364228 in words is "one billion, nine hundred seventy-five million, three hundred sixty-four thousand, two hundred twenty-eight".

Divisors: 1 2 4 761 1522 3044 648937 1297874 2595748 493841057 987682114 1975364228