Search a number
-
+
101235145 = 5113749747
BaseRepresentation
bin1100000100010…
…11100111001001
321001111021111211
412002023213021
5201404011040
614013453121
72336325124
oct602134711
9231437454
10101235145
1152165510
1229aa11a1
1317c86a6b
14d6333bb
158d4a8ea
hex608b9c9

101235145 has 16 divisors (see below), whose sum is σ = 136110528. Its totient is φ = 71634240.

The previous prime is 101235131. The next prime is 101235163. The reversal of 101235145 is 541532101.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-101235145 is a prime.

It is a Duffinian 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, 22839 + ... + 26908.

It is an arithmetic number, because the mean of its divisors is an integer number (8506908).

Almost surely, 2101235145 is an apocalyptic number.

It is an amenable number.

101235145 is a deficient number, since it is larger than the sum of its proper divisors (34875383).

101235145 is a wasteful number, since it uses less digits than its factorization.

101235145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49800.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 101235145 is about 10061.5677207878. The cubic root of 101235145 is about 466.0620807343.

Adding to 101235145 its reverse (541532101), we get a palindrome (642767246).

The spelling of 101235145 in words is "one hundred one million, two hundred thirty-five thousand, one hundred forty-five".

Divisors: 1 5 11 37 55 185 407 2035 49747 248735 547217 1840639 2736085 9203195 20247029 101235145