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1385750275 = 527131932059
BaseRepresentation
bin101001010011000…
…1101111100000011
310120120112102000021
41102212031330003
510314223002100
6345301234311
746224453160
oct12246157403
93516472007
101385750275
11651246768
12328102997
1319112c7a0
14d2083067
15819cca1a
hex5298df03

1385750275 has 48 divisors (see below), whose sum is σ = 2226246400. Its totient is φ = 830943360.

The previous prime is 1385750227. The next prime is 1385750281. The reversal of 1385750275 is 5720575831.

It is not a de Polignac number, because 1385750275 - 27 = 1385750147 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27196 + ... + 59254.

Almost surely, 21385750275 is an apocalyptic number.

1385750275 is a deficient number, since it is larger than the sum of its proper divisors (840496125).

1385750275 is a wasteful number, since it uses less digits than its factorization.

1385750275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32108 (or 32103 counting only the distinct ones).

The product of its (nonzero) digits is 294000, while the sum is 43.

The square root of 1385750275 is about 37225.6668845570. Note that the first 3 decimals coincide. The cubic root of 1385750275 is about 1114.8805129789.

The spelling of 1385750275 in words is "one billion, three hundred eighty-five million, seven hundred fifty thousand, two hundred seventy-five".

Divisors: 1 5 7 13 19 25 35 65 91 95 133 175 247 325 455 475 665 1235 1729 2275 3325 6175 8645 32059 43225 160295 224413 416767 609121 801475 1122065 2083835 2917369 3045605 4263847 5610325 7918573 10419175 14586845 15228025 21319235 39592865 55430011 72934225 106596175 197964325 277150055 1385750275