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101040097 = 1011000397
BaseRepresentation
bin1100000010110…
…11111111100001
321001010100221211
412001123333201
5201331240342
614005350121
72334553354
oct601337741
9231110854
10101040097
1152041a14
1229a08341
1317c19052
14d5c229b
158d0cc17
hex605bfe1

101040097 has 4 divisors (see below), whose sum is σ = 102040596. Its totient is φ = 100039600.

The previous prime is 101040077. The next prime is 101040139. The reversal of 101040097 is 790040101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 790040101 = 5314906417.

It can be written as a sum of positive squares in 2 ways, for example, as 45104656 + 55935441 = 6716^2 + 7479^2 .

It is a cyclic number.

It is not a de Polignac number, because 101040097 - 27 = 101039969 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101040077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500098 + ... + 500299.

It is an arithmetic number, because the mean of its divisors is an integer number (25510149).

Almost surely, 2101040097 is an apocalyptic number.

It is an amenable number.

101040097 is a deficient number, since it is larger than the sum of its proper divisors (1000499).

101040097 is a wasteful number, since it uses less digits than its factorization.

101040097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000498.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 101040097 is about 10051.8703234771. The cubic root of 101040097 is about 465.7625703859.

Adding to 101040097 its reverse (790040101), we get a palindrome (891080198).

The spelling of 101040097 in words is "one hundred one million, forty thousand, ninety-seven".

Divisors: 1 101 1000397 101040097