Search a number
-
+
101540299 = 727328387
BaseRepresentation
bin1100000110101…
…10000111001011
321002001210002211
412003112013023
5201443242144
614024205551
72342035600
oct603260713
9232053084
10101540299
1152353803
122a0098b7
1318062923
14d6b26a7
158dab034
hex60d61cb

101540299 has 12 divisors (see below), whose sum is σ = 119740584. Its totient is φ = 85839264.

The previous prime is 101540297. The next prime is 101540317. The reversal of 101540299 is 992045101.

It is not a de Polignac number, because 101540299 - 21 = 101540297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101540299.

It is not an unprimeable number, because it can be changed into a prime (101540297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10617 + ... + 17770.

It is an arithmetic number, because the mean of its divisors is an integer number (9978382).

Almost surely, 2101540299 is an apocalyptic number.

101540299 is a deficient number, since it is larger than the sum of its proper divisors (18200285).

101540299 is an equidigital number, since it uses as much as digits as its factorization.

101540299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28474 (or 28467 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 101540299 is about 10076.7206471153. The cubic root of 101540299 is about 466.5298960303.

It can be divided in two parts, 1015 and 40299, that added together give a palindrome (41314).

The spelling of 101540299 in words is "one hundred one million, five hundred forty thousand, two hundred ninety-nine".

Divisors: 1 7 49 73 511 3577 28387 198709 1390963 2072251 14505757 101540299