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1344306839 = 12771052707
BaseRepresentation
bin101000000100000…
…0111111010010111
310110200112212022012
41100020013322113
510223120304324
6341221054435
745212263631
oct12010077227
93420485265
101344306839
1162a90a697
1231625741b
1318567bc45
14ca775a51
157d04320e
hex50207e97

1344306839 has 4 divisors (see below), whose sum is σ = 1345360824. Its totient is φ = 1343252856.

The previous prime is 1344306809. The next prime is 1344306851. The reversal of 1344306839 is 9386034431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9386034431 = 74312632617.

It is a cyclic number.

It is not a de Polignac number, because 1344306839 - 216 = 1344241303 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1344306796 and 1344306805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344306809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 525077 + ... + 527630.

It is an arithmetic number, because the mean of its divisors is an integer number (336340206).

Almost surely, 21344306839 is an apocalyptic number.

1344306839 is a deficient number, since it is larger than the sum of its proper divisors (1053985).

1344306839 is a wasteful number, since it uses less digits than its factorization.

1344306839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053984.

The product of its (nonzero) digits is 186624, while the sum is 41.

The square root of 1344306839 is about 36664.7901807715. The cubic root of 1344306839 is about 1103.6536468541.

The spelling of 1344306839 in words is "one billion, three hundred forty-four million, three hundred six thousand, eight hundred thirty-nine".

Divisors: 1 1277 1052707 1344306839