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1969075045 = 57216349307
BaseRepresentation
bin111010101011101…
…1011001101100101
312002020011101011101
41311113123031211
513013040400140
6523220040101
766536601400
oct16527331545
95066141141
101969075045
11920545253
1246b533031
13254c3a382
14149728d37
15b7d0499a
hex755db365

1969075045 has 24 divisors (see below), whose sum is σ = 2765587104. Its totient is φ = 1341912096.

The previous prime is 1969075039. The next prime is 1969075067. The reversal of 1969075045 is 5405709691.

It is not a de Polignac number, because 1969075045 - 23 = 1969075037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1969074986 and 1969075004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15282 + ... + 64588.

It is an arithmetic number, because the mean of its divisors is an integer number (115232796).

Almost surely, 21969075045 is an apocalyptic number.

It is an amenable number.

1969075045 is a deficient number, since it is larger than the sum of its proper divisors (796512059).

1969075045 is a wasteful number, since it uses less digits than its factorization.

1969075045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49489 (or 49482 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 46.

The square root of 1969075045 is about 44374.2610642701. The cubic root of 1969075045 is about 1253.3934554980.

The spelling of 1969075045 in words is "one billion, nine hundred sixty-nine million, seventy-five thousand, forty-five".

Divisors: 1 5 7 35 49 163 245 815 1141 5705 7987 39935 49307 246535 345149 1725745 2416043 8037041 12080215 40185205 56259287 281296435 393815009 1969075045