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1445744299 = 47241127637
BaseRepresentation
bin101011000101100…
…0100111010101011
310201202102102100011
41112023010322223
510430102304144
6355243152351
750553423646
oct12613047253
93652372304
101445744299
116820a30aa
123442156b7
131a06a6acc
14da01ca5d
1586dcda34
hex562c4eab

1445744299 has 8 divisors (see below), whose sum is σ = 1482643008. Its totient is φ = 1409101440.

The previous prime is 1445744273. The next prime is 1445744383. The reversal of 1445744299 is 9924475441.

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 1445744299 - 29 = 1445743787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1445744239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52492 + ... + 75145.

It is an arithmetic number, because the mean of its divisors is an integer number (185330376).

Almost surely, 21445744299 is an apocalyptic number.

1445744299 is a deficient number, since it is larger than the sum of its proper divisors (36898709).

1445744299 is a wasteful number, since it uses less digits than its factorization.

1445744299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127925.

The product of its digits is 1451520, while the sum is 49.

The square root of 1445744299 is about 38022.9443757319. The cubic root of 1445744299 is about 1130.7427958786.

The spelling of 1445744299 in words is "one billion, four hundred forty-five million, seven hundred forty-four thousand, two hundred ninety-nine".

Divisors: 1 47 241 11327 127637 5998939 30760517 1445744299