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103720301 = 1006710303
BaseRepresentation
bin1100010111010…
…10010101101101
321020011112111122
412023222111231
5203023022201
614143030325
72366415356
oct613522555
9236145448
10103720301
1153602663
122a89b3a5
1318646c79
14dabcd2d
15918be1b
hex62ea56d

103720301 has 4 divisors (see below), whose sum is σ = 103740672. Its totient is φ = 103699932.

The previous prime is 103720291. The next prime is 103720339. The reversal of 103720301 is 103027301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 103720301 - 226 = 36611437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 103720301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103720381) 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, 4916 + ... + 15218.

It is an arithmetic number, because the mean of its divisors is an integer number (25935168).

Almost surely, 2103720301 is an apocalyptic number.

It is an amenable number.

103720301 is a deficient number, since it is larger than the sum of its proper divisors (20371).

103720301 is a wasteful number, since it uses less digits than its factorization.

103720301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20370.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 103720301 is about 10184.3164228141. The cubic root of 103720301 is about 469.8449782994.

Adding to 103720301 its reverse (103027301), we get a palindrome (206747602).

The spelling of 103720301 in words is "one hundred three million, seven hundred twenty thousand, three hundred one".

Divisors: 1 10067 10303 103720301