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1542664345 = 54325727919
BaseRepresentation
bin101101111110011…
…0011000010011001
310222111210110122111
41123330303002121
511124410224340
6413024352321
753141300455
oct13374630231
93874713574
101542664345
11721880612
123707756a1
131b77ac751
14108c4b665
1590675aea
hex5bf33099

1542664345 has 16 divisors (see below), whose sum is σ = 1901687040. Its totient is φ = 1200697344.

The previous prime is 1542664313. The next prime is 1542664351. The reversal of 1542664345 is 5434662451.

It is a cyclic number.

It is not a de Polignac number, because 1542664345 - 25 = 1542664313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1542664298 and 1542664307.

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 15 ways as a sum of consecutive naturals, for example, 41296 + ... + 69214.

It is an arithmetic number, because the mean of its divisors is an integer number (118855440).

Almost surely, 21542664345 is an apocalyptic number.

It is an amenable number.

1542664345 is a deficient number, since it is larger than the sum of its proper divisors (359022695).

1542664345 is a wasteful number, since it uses less digits than its factorization.

1542664345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28224.

The product of its digits is 345600, while the sum is 40.

The square root of 1542664345 is about 39276.7659692088. The cubic root of 1542664345 is about 1155.4659377084.

The spelling of 1542664345 in words is "one billion, five hundred forty-two million, six hundred sixty-four thousand, three hundred forty-five".

Divisors: 1 5 43 215 257 1285 11051 27919 55255 139595 1200517 6002585 7175183 35875915 308532869 1542664345