[go: up one dir, main page]

Search a number
-
+
102885807 = 3312294831
BaseRepresentation
bin1100010000111…
…10100110101111
321011121010210110
412020132212233
5202314321212
614113111103
72356341423
oct610364657
9234533713
10102885807
11530926a2
122a558493
131841419b
14d942b83
159074a3c
hex621e9af

102885807 has 16 divisors (see below), whose sum is σ = 142254080. Its totient is φ = 66074400.

The previous prime is 102885737. The next prime is 102885829. The reversal of 102885807 is 708588201.

It is not a de Polignac number, because 102885807 - 210 = 102884783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102885857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18882 + ... + 23712.

It is an arithmetic number, because the mean of its divisors is an integer number (8890880).

Almost surely, 2102885807 is an apocalyptic number.

102885807 is a deficient number, since it is larger than the sum of its proper divisors (39368273).

102885807 is a wasteful number, since it uses less digits than its factorization.

102885807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5094.

The product of its (nonzero) digits is 35840, while the sum is 39.

The square root of 102885807 is about 10143.2641196017. The cubic root of 102885807 is about 468.5815192554.

The spelling of 102885807 in words is "one hundred two million, eight hundred eighty-five thousand, eight hundred seven".

Divisors: 1 3 31 93 229 687 4831 7099 14493 21297 149761 449283 1106299 3318897 34295269 102885807