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69054768 = 243517761
BaseRepresentation
bin1000001110110…
…11000100110000
311210221100100000
410013123010300
5120134223033
610504030000
71465645566
oct407330460
9153840300
1069054768
1135a85962
121b162300
13113ca513
149257a36
1560e0a13
hex41db130

69054768 has 60 divisors (see below), whose sum is σ = 200426408. Its totient is φ = 23016960.

The previous prime is 69054757. The next prime is 69054773. The reversal of 69054768 is 86745096.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4993 + ... + 12768.

Almost surely, 269054768 is an apocalyptic number.

It is an amenable number.

69054768 is an abundant number, since it is smaller than the sum of its proper divisors (131371640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69054768 is a wasteful number, since it uses less digits than its factorization.

69054768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17784 (or 17766 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 69054768 is about 8309.9198552092. The cubic root of 69054768 is about 410.2650833834.

The spelling of 69054768 in words is "sixty-nine million, fifty-four thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 81 108 144 162 216 243 324 432 486 648 972 1296 1944 3888 17761 35522 53283 71044 106566 142088 159849 213132 284176 319698 426264 479547 639396 852528 959094 1278792 1438641 1918188 2557584 2877282 3836376 4315923 5754564 7672752 8631846 11509128 17263692 23018256 34527384 69054768