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1444320302 = 21961897001
BaseRepresentation
bin101011000010110…
…1001010000101110
310201122202001222112
41112011221100232
510424221222202
6355152444022
750535343235
oct12605512056
93648661875
101444320302
11681310247
12343849612
131a02c88c9
14d9b6bb1c
1586bebb52
hex5616942e

1444320302 has 32 divisors (see below), whose sum is σ = 2344269600. Its totient is φ = 665280000.

The previous prime is 1444320299. The next prime is 1444320341. The reversal of 1444320302 is 2030234441.

It is a super-2 number, since 2×14443203022 = 4172122269538742408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202802 + ... + 209802.

It is an arithmetic number, because the mean of its divisors is an integer number (73258425).

Almost surely, 21444320302 is an apocalyptic number.

1444320302 is a deficient number, since it is larger than the sum of its proper divisors (899949298).

1444320302 is a wasteful number, since it uses less digits than its factorization.

1444320302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7172.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 1444320302 is about 38004.2142663153. The cubic root of 1444320302 is about 1130.3714293119.

Adding to 1444320302 its reverse (2030234441), we get a palindrome (3474554743).

The spelling of 1444320302 in words is "one billion, four hundred forty-four million, three hundred twenty thousand, three hundred two".

Divisors: 1 2 19 38 61 89 122 178 1159 1691 2318 3382 5429 7001 10858 14002 103151 133019 206302 266038 427061 623089 854122 1246178 8114159 11838691 16228318 23677382 38008429 76016858 722160151 1444320302