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101424517 = 611662697
BaseRepresentation
bin1100000101110…
…01110110000101
321001211220021121
412002321312011
5201431041032
614021513541
72341044205
oct602716605
9231756247
10101424517
1152284817
1229b728b1
131802200c
14d682405
158d86a97
hex60b9d85

101424517 has 4 divisors (see below), whose sum is σ = 103087276. Its totient is φ = 99761760.

The previous prime is 101424509. The next prime is 101424539. The reversal of 101424517 is 715424101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 715424101 = 7102203443.

It can be written as a sum of positive squares in 2 ways, for example, as 26532801 + 74891716 = 5151^2 + 8654^2 .

It is a cyclic number.

It is not a de Polignac number, because 101424517 - 23 = 101424509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101424491 and 101424500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101421517) 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 3 ways as a sum of consecutive naturals, for example, 831288 + ... + 831409.

It is an arithmetic number, because the mean of its divisors is an integer number (25771819).

Almost surely, 2101424517 is an apocalyptic number.

It is an amenable number.

101424517 is a deficient number, since it is larger than the sum of its proper divisors (1662759).

101424517 is an equidigital number, since it uses as much as digits as its factorization.

101424517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662758.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 101424517 is about 10070.9739846750. The cubic root of 101424517 is about 466.3525073200.

Adding to 101424517 its reverse (715424101), we get a palindrome (816848618).

The spelling of 101424517 in words is "one hundred one million, four hundred twenty-four thousand, five hundred seventeen".

Divisors: 1 61 1662697 101424517