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1445963005 = 5556951929
BaseRepresentation
bin101011000101111…
…1010010011111101
310201202211112100101
41112023322103331
510430131304010
6355252001101
750555324404
oct12613722375
93652745311
101445963005
11682232453
12344300191
131a0752516
14da07863b
1586e2373a
hex562fa4fd

1445963005 has 8 divisors (see below), whose sum is σ = 1735500600. Its totient is φ = 1156540416.

The previous prime is 1445962993. The next prime is 1445963009. The reversal of 1445963005 is 5003695441.

It can be written as a sum of positive squares in 4 ways, for example, as 277622244 + 1168340761 = 16662^2 + 34181^2 .

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 1445963005 - 29 = 1445962493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445963009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1881 + ... + 53809.

It is an arithmetic number, because the mean of its divisors is an integer number (216937575).

Almost surely, 21445963005 is an apocalyptic number.

It is an amenable number.

1445963005 is a deficient number, since it is larger than the sum of its proper divisors (289537595).

1445963005 is an equidigital number, since it uses as much as digits as its factorization.

1445963005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57503.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 1445963005 is about 38025.8202409889. The cubic root of 1445963005 is about 1130.7998109780.

The spelling of 1445963005 in words is "one billion, four hundred forty-five million, nine hundred sixty-three thousand, five".

Divisors: 1 5 5569 27845 51929 259645 289192601 1445963005