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1375308398 = 21781149877
BaseRepresentation
bin101000111111001…
…1000101001101110
310112211212220110002
41101332120221232
510304034332043
6344245344302
746036633322
oct12176305156
93484786402
101375308398
11646364612
12324708092
1318bc14a69
14d0925982
1580b18bb8
hex51f98a6e

1375308398 has 16 divisors (see below), whose sum is σ = 2187050544. Its totient is φ = 646392960.

The previous prime is 1375308377. The next prime is 1375308413. The reversal of 1375308398 is 8938035731.

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 7 ways as a sum of consecutive naturals, for example, 2636 + ... + 52512.

It is an arithmetic number, because the mean of its divisors is an integer number (136690659).

Almost surely, 21375308398 is an apocalyptic number.

1375308398 is a deficient number, since it is larger than the sum of its proper divisors (811742146).

1375308398 is a wasteful number, since it uses less digits than its factorization.

1375308398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50707.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 1375308398 is about 37085.1506401147. The cubic root of 1375308398 is about 1112.0731749502.

The spelling of 1375308398 in words is "one billion, three hundred seventy-five million, three hundred eight thousand, three hundred ninety-eight".

Divisors: 1 2 17 34 811 1622 13787 27574 49877 99754 847909 1695818 40450247 80900494 687654199 1375308398