Search a number
-
+
100495685 = 553894261
BaseRepresentation
bin1011111110101…
…11000101000101
321000002201011102
411333113011011
5201211330220
613545545445
72330125223
oct577270505
9230081142
10100495685
11517aa994
12297a5285
1317a88304
14d4bdb13
158c51775
hex5fd7145

100495685 has 16 divisors (see below), whose sum is σ = 124279920. Its totient is φ = 77975040.

The previous prime is 100495673. The next prime is 100495697. The reversal of 100495685 is 586594001.

It is an interprime number because it is at equal distance from previous prime (100495673) and next prime (100495697).

It can be written as a sum of positive squares in 8 ways, for example, as 3157729 + 97337956 = 1777^2 + 9866^2 .

It is not a de Polignac number, because 100495685 - 210 = 100494661 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21455 + ... + 25715.

It is an arithmetic number, because the mean of its divisors is an integer number (7767495).

Almost surely, 2100495685 is an apocalyptic number.

It is an amenable number.

100495685 is a deficient number, since it is larger than the sum of its proper divisors (23784235).

100495685 is an equidigital number, since it uses as much as digits as its factorization.

100495685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4408.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 100495685 is about 10024.7536129323. The cubic root of 100495685 is about 464.9245416539.

The spelling of 100495685 in words is "one hundred million, four hundred ninety-five thousand, six hundred eighty-five".

Divisors: 1 5 53 89 265 445 4261 4717 21305 23585 225833 379229 1129165 1896145 20099137 100495685