Search a number
-
+
108252775 = 5231139681
BaseRepresentation
bin1100111001111…
…00111001100111
321112200210220001
412130330321213
5210203042100
614424122131
72453063521
oct634747147
9245623801
10108252775
1156118a04
1230306347
1319572cc7
141053ca11
159784d6a
hex673ce67

108252775 has 12 divisors (see below), whose sum is σ = 138564544. Its totient is φ = 83808000.

The previous prime is 108252773. The next prime is 108252791. The reversal of 108252775 is 577252801.

It is not a de Polignac number, because 108252775 - 21 = 108252773 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108252773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69066 + ... + 70615.

Almost surely, 2108252775 is an apocalyptic number.

108252775 is a deficient number, since it is larger than the sum of its proper divisors (30311769).

108252775 is a wasteful number, since it uses less digits than its factorization.

108252775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139722 (or 139717 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 37.

The square root of 108252775 is about 10404.4593804772. The cubic root of 108252775 is about 476.5915587942.

The spelling of 108252775 in words is "one hundred eight million, two hundred fifty-two thousand, seven hundred seventy-five".

Divisors: 1 5 25 31 155 775 139681 698405 3492025 4330111 21650555 108252775