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27796065 = 35112937157
BaseRepresentation
bin110101000001…
…0001001100001
31221022012000220
41222002021201
524103433230
62431433253
7455156043
oct152021141
957265026
1027796065
1114765660
129385829
1359b2a9b
143997a93
152690d10
hex1a82261

27796065 has 64 divisors (see below), whose sum is σ = 51874560. Its totient is φ = 12579840.

The previous prime is 27796063. The next prime is 27796081. The reversal of 27796065 is 56069772.

It is a happy number.

It is not a de Polignac number, because 27796065 - 21 = 27796063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27796061) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 176967 + ... + 177123.

It is an arithmetic number, because the mean of its divisors is an integer number (810540).

Almost surely, 227796065 is an apocalyptic number.

It is an amenable number.

27796065 is a deficient number, since it is larger than the sum of its proper divisors (24078495).

27796065 is a wasteful number, since it uses less digits than its factorization.

27796065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242.

The product of its (nonzero) digits is 158760, while the sum is 42.

The square root of 27796065 is about 5272.1973597353. The cubic root of 27796065 is about 302.9198777357.

The spelling of 27796065 in words is "twenty-seven million, seven hundred ninety-six thousand, sixty-five".

Divisors: 1 3 5 11 15 29 33 37 55 87 111 145 157 165 185 319 407 435 471 555 785 957 1073 1221 1595 1727 2035 2355 3219 4553 4785 5181 5365 5809 6105 8635 11803 13659 16095 17427 22765 25905 29045 35409 50083 59015 63899 68295 87135 150249 168461 177045 191697 250415 319495 505383 751245 842305 958485 1853071 2526915 5559213 9265355 27796065