Search a number
-
+
109311575 = 5224118143
BaseRepresentation
bin1101000001111…
…11011001010111
321121200121021212
412200333121113
5210440432300
614502532035
72465063432
oct640773127
9247617255
10109311575
115678144a
123073701b
1319853c09
1410736819
1598e3935
hex683f657

109311575 has 12 divisors (see below), whose sum is σ = 136116288. Its totient is φ = 87081600.

The previous prime is 109311539. The next prime is 109311583. The reversal of 109311575 is 575113901.

It is a happy number.

It is not a de Polignac number, because 109311575 - 214 = 109295191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3047 + ... + 15096.

It is an arithmetic number, because the mean of its divisors is an integer number (11343024).

Almost surely, 2109311575 is an apocalyptic number.

109311575 is a deficient number, since it is larger than the sum of its proper divisors (26804713).

109311575 is a wasteful number, since it uses less digits than its factorization.

109311575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18394 (or 18389 counting only the distinct ones).

The product of its (nonzero) digits is 4725, while the sum is 32.

The square root of 109311575 is about 10455.2175969704. The cubic root of 109311575 is about 478.1403376970.

The spelling of 109311575 in words is "one hundred nine million, three hundred eleven thousand, five hundred seventy-five".

Divisors: 1 5 25 241 1205 6025 18143 90715 453575 4372463 21862315 109311575