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445107387 = 3592514731
BaseRepresentation
bin11010100001111…
…100110010111011
31011000112210112210
4122201330302323
51402421414022
6112100110203
714013231114
oct3241746273
91130483483
10445107387
1120928484a
12105095363
13712a5a6a
144318720b
1529123a0c
hex1a87ccbb

445107387 has 8 divisors (see below), whose sum is σ = 603535680. Its totient is φ = 291708680.

The previous prime is 445107367. The next prime is 445107389. The reversal of 445107387 is 783701544.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 445107387 - 26 = 445107323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (445107389) 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 7 ways as a sum of consecutive naturals, for example, 1257189 + ... + 1257542.

It is an arithmetic number, because the mean of its divisors is an integer number (75441960).

Almost surely, 2445107387 is an apocalyptic number.

445107387 is a deficient number, since it is larger than the sum of its proper divisors (158428293).

445107387 is a wasteful number, since it uses less digits than its factorization.

445107387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2514793.

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 445107387 is about 21097.5682721967. The cubic root of 445107387 is about 763.5220797576.

The spelling of 445107387 in words is "four hundred forty-five million, one hundred seven thousand, three hundred eighty-seven".

Divisors: 1 3 59 177 2514731 7544193 148369129 445107387