Search a number
-
+
10685145 = 357179127
BaseRepresentation
bin101000110000…
…101011011001
3202002212021010
4220300223121
510213411040
61021004133
7156552012
oct50605331
922085233
1010685145
1160389a9
1236b3649
1322a1693
1415c2009
15e10e80
hexa30ad9

10685145 has 32 divisors (see below), whose sum is σ = 17694720. Its totient is φ = 5503680.

The previous prime is 10685131. The next prime is 10685149. The reversal of 10685145 is 54158601.

It is not a de Polignac number, because 10685145 - 28 = 10684889 is a prime.

It is a super-2 number, since 2×106851452 = 228344647342050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10685149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84072 + ... + 84198.

It is an arithmetic number, because the mean of its divisors is an integer number (552960).

Almost surely, 210685145 is an apocalyptic number.

10685145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10685145 is a deficient number, since it is larger than the sum of its proper divisors (7009575).

10685145 is a wasteful number, since it uses less digits than its factorization.

10685145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285.

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 10685145 is about 3268.8140051095. The cubic root of 10685145 is about 220.2555226633.

The spelling of 10685145 in words is "ten million, six hundred eighty-five thousand, one hundred forty-five".

Divisors: 1 3 5 15 71 79 127 213 237 355 381 395 635 1065 1185 1905 5609 9017 10033 16827 27051 28045 30099 45085 50165 84135 135255 150495 712343 2137029 3561715 10685145