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1442245465 = 51493193201
BaseRepresentation
bin101010111110110…
…1110101101011001
310201111211122211201
41111331232231121
510423203323330
6355040154201
750511612163
oct12575565531
93644748751
101442245465
11680123401
12343008961
1319ca503ab
14d978b933
158693beca
hex55f6eb59

1442245465 has 8 divisors (see below), whose sum is σ = 1731862728. Its totient is φ = 1153017600.

The previous prime is 1442245411. The next prime is 1442245531. The reversal of 1442245465 is 5645422441.

It can be written as a sum of positive squares in 4 ways, for example, as 335219481 + 1107025984 = 18309^2 + 33272^2 .

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

It is not a de Polignac number, because 1442245465 - 217 = 1442114393 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89136 + ... + 104065.

It is an arithmetic number, because the mean of its divisors is an integer number (216482841).

Almost surely, 21442245465 is an apocalyptic number.

It is an amenable number.

1442245465 is a deficient number, since it is larger than the sum of its proper divisors (289617263).

1442245465 is a wasteful number, since it uses less digits than its factorization.

1442245465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194699.

The product of its digits is 153600, while the sum is 37.

The square root of 1442245465 is about 37976.9069962260. The cubic root of 1442245465 is about 1129.8298919021.

The spelling of 1442245465 in words is "one billion, four hundred forty-two million, two hundred forty-five thousand, four hundred sixty-five".

Divisors: 1 5 1493 7465 193201 966005 288449093 1442245465