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445102541 = 1334238657
BaseRepresentation
bin11010100001111…
…011100111001101
31011000112112220022
4122201323213031
51402421240131
6112100031525
714013211022
oct3241734715
91130475808
10445102541
11209281144
121050925a5
13712a37b0
1443185549
152912237b
hex1a87b9cd

445102541 has 4 divisors (see below), whose sum is σ = 479341212. Its totient is φ = 410863872.

The previous prime is 445102529. The next prime is 445102547. The reversal of 445102541 is 145201544.

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 121462441 + 323640100 = 11021^2 + 17990^2 .

It is a cyclic number.

It is not a de Polignac number, because 445102541 - 214 = 445086157 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 445102541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445102547) 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, 17119316 + ... + 17119341.

It is an arithmetic number, because the mean of its divisors is an integer number (119835303).

Almost surely, 2445102541 is an apocalyptic number.

It is an amenable number.

445102541 is a deficient number, since it is larger than the sum of its proper divisors (34238671).

445102541 is a wasteful number, since it uses less digits than its factorization.

445102541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34238670.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 445102541 is about 21097.4534245250. The cubic root of 445102541 is about 763.5193088597.

The spelling of 445102541 in words is "four hundred forty-five million, one hundred two thousand, five hundred forty-one".

Divisors: 1 13 34238657 445102541