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868145054 = 27273121351
BaseRepresentation
bin110011101111101…
…101011110011110
32020111120100010112
4303233231132132
53234221120204
6222051210022
730341053100
oct6357553636
92214510115
10868145054
11406055257
122028a6912
1310ab222ca
1483427570
155133826e
hex33bed79e

868145054 has 24 divisors (see below), whose sum is σ = 1535588208. Its totient is φ = 366962400.

The previous prime is 868145039. The next prime is 868145059. The reversal of 868145054 is 450541868.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868145059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53522 + ... + 67829.

It is an arithmetic number, because the mean of its divisors is an integer number (63982842).

Almost surely, 2868145054 is an apocalyptic number.

868145054 is a deficient number, since it is larger than the sum of its proper divisors (667443154).

868145054 is a wasteful number, since it uses less digits than its factorization.

868145054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121440 (or 121433 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 41.

The square root of 868145054 is about 29464.3013492599. The cubic root of 868145054 is about 953.9613183806.

It can be divided in two parts, 8681 and 45054, that added together give a palindrome (53735).

The spelling of 868145054 in words is "eight hundred sixty-eight million, one hundred forty-five thousand, fifty-four".

Divisors: 1 2 7 14 49 73 98 146 511 1022 3577 7154 121351 242702 849457 1698914 5946199 8858623 11892398 17717246 62010361 124020722 434072527 868145054