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1344625105 = 55339712781
BaseRepresentation
bin101000000100101…
…0101100111010001
310110201011000212211
41100021111213101
510223211000410
6341231552121
745215060545
oct12011254721
93421130784
101344625105
1163000781a
1231638b641
13185760a75
14ca819a25
157d0a768a
hex502559d1

1344625105 has 16 divisors (see below), whose sum is σ = 1648264464. Its totient is φ = 1052663040.

The previous prime is 1344625099. The next prime is 1344625111. The reversal of 1344625105 is 5015264431.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1344625099) and next prime (1344625111).

It can be written as a sum of positive squares in 8 ways, for example, as 85155984 + 1259469121 = 9228^2 + 35489^2 .

It is not a de Polignac number, because 1344625105 - 23 = 1344625097 is a prime.

It is a super-2 number, since 2×13446251052 = 3616033345992522050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98815 + ... + 111595.

It is an arithmetic number, because the mean of its divisors is an integer number (103016529).

Almost surely, 21344625105 is an apocalyptic number.

It is an amenable number.

1344625105 is a deficient number, since it is larger than the sum of its proper divisors (303639359).

1344625105 is a wasteful number, since it uses less digits than its factorization.

1344625105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13236.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 1344625105 is about 36669.1301369422. The cubic root of 1344625105 is about 1103.7407370196.

Adding to 1344625105 its reverse (5015264431), we get a palindrome (6359889536).

The spelling of 1344625105 in words is "one billion, three hundred forty-four million, six hundred twenty-five thousand, one hundred five".

Divisors: 1 5 53 265 397 1985 12781 21041 63905 105205 677393 3386965 5074057 25370285 268925021 1344625105