Search a number
-
+
97512101 = 103394397
BaseRepresentation
bin1011100111111…
…10101010100101
320210111010110022
411303332222211
5144430341401
613402004525
72262560561
oct563765245
9223433408
1097512101
1150052315
12287a6745
131728228b
14cd446a1
15886271b
hex5cfeaa5

97512101 has 4 divisors (see below), whose sum is σ = 97607532. Its totient is φ = 97416672.

The previous prime is 97512097. The next prime is 97512113. The reversal of 97512101 is 10121579.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 69739201 + 27772900 = 8351^2 + 5270^2 .

It is a cyclic number.

It is not a de Polignac number, because 97512101 - 22 = 97512097 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 (97511101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46166 + ... + 48231.

It is an arithmetic number, because the mean of its divisors is an integer number (24401883).

Almost surely, 297512101 is an apocalyptic number.

It is an amenable number.

97512101 is a deficient number, since it is larger than the sum of its proper divisors (95431).

97512101 is a wasteful number, since it uses less digits than its factorization.

97512101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95430.

The product of its (nonzero) digits is 630, while the sum is 26.

The square root of 97512101 is about 9874.8215680082. The cubic root of 97512101 is about 460.2772446527.

The spelling of 97512101 in words is "ninety-seven million, five hundred twelve thousand, one hundred one".

Divisors: 1 1033 94397 97512101