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1444261434 = 2371111812647
BaseRepresentation
bin101011000010101…
…1010111000111010
310201122122002020020
41112011122320322
510424212331214
6355151311310
750535006510
oct12605327072
93648562206
101444261434
1168127aaa0
1234381b536
131a02a7b85
14d9b544b0
1586bd94a9
hex5615ae3a

1444261434 has 64 divisors (see below), whose sum is σ = 3605686272. Its totient is φ = 374673600.

The previous prime is 1444261409. The next prime is 1444261457. The reversal of 1444261434 is 4341624441.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 1444261395 and 1444261404.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 544299 + ... + 546945.

It is an arithmetic number, because the mean of its divisors is an integer number (56338848).

Almost surely, 21444261434 is an apocalyptic number.

1444261434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1444261434 is an abundant number, since it is smaller than the sum of its proper divisors (2161424838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1444261434 is a wasteful number, since it uses less digits than its factorization.

1444261434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3851.

The product of its digits is 36864, while the sum is 33.

The square root of 1444261434 is about 38003.4397653686. The cubic root of 1444261434 is about 1130.3560717745.

Adding to 1444261434 its reverse (4341624441), we get a palindrome (5785885875).

The spelling of 1444261434 in words is "one billion, four hundred forty-four million, two hundred sixty-one thousand, four hundred thirty-four".

Divisors: 1 2 3 6 7 11 14 21 22 33 42 66 77 154 231 462 1181 2362 2647 3543 5294 7086 7941 8267 12991 15882 16534 18529 24801 25982 29117 37058 38973 49602 55587 58234 77946 87351 90937 111174 174702 181874 203819 272811 407638 545622 611457 1222914 3126107 6252214 9378321 18756642 21882749 34387177 43765498 65648247 68774354 103161531 131296494 206323062 240710239 481420478 722130717 1444261434