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107245417 = 278938453
BaseRepresentation
bin1100110010001…
…10111101101001
321110210122001111
412121012331221
5204423323132
614350350321
72441366566
oct631067551
9243718044
10107245417
11555a0084
122babb3a1
13192ac636
141035986d
159636647
hex6646f69

107245417 has 4 divisors (see below), whose sum is σ = 107286660. Its totient is φ = 107204176.

The previous prime is 107245409. The next prime is 107245433. The reversal of 107245417 is 714542701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 714542701 = 1789399409.

It can be written as a sum of positive squares in 2 ways, for example, as 61763881 + 45481536 = 7859^2 + 6744^2 .

It is a cyclic number.

It is not a de Polignac number, because 107245417 - 23 = 107245409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107245717) 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, 16438 + ... + 22015.

It is an arithmetic number, because the mean of its divisors is an integer number (26821665).

Almost surely, 2107245417 is an apocalyptic number.

It is an amenable number.

107245417 is a deficient number, since it is larger than the sum of its proper divisors (41243).

107245417 is an equidigital number, since it uses as much as digits as its factorization.

107245417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41242.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 107245417 is about 10355.9363169150. The cubic root of 107245417 is about 475.1086244650.

It can be divided in two parts, 10 and 7245417, that added together give a palindrome (7245427).

The spelling of 107245417 in words is "one hundred seven million, two hundred forty-five thousand, four hundred seventeen".

Divisors: 1 2789 38453 107245417