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1344431914 = 27213718693
BaseRepresentation
bin101000000100010…
…0110011100101010
310110200210012212121
41100020212130222
510223133310124
6341223501454
745213324400
oct12010463452
93420705777
101344431914
1162a995661
123162b788a
131856c3b57
14ca7a9470
157d06a2e4
hex5022672a

1344431914 has 12 divisors (see below), whose sum is σ = 2345896674. Its totient is φ = 576185064.

The previous prime is 1344431873. The next prime is 1344431923. The reversal of 1344431914 is 4191344431.

It can be written as a sum of positive squares in only one way, i.e., 1121915025 + 222516889 = 33495^2 + 14917^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1344431914.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6859249 + ... + 6859444.

Almost surely, 21344431914 is an apocalyptic number.

1344431914 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1344431914 is a deficient number, since it is larger than the sum of its proper divisors (1001464760).

1344431914 is a wasteful number, since it uses less digits than its factorization.

1344431914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13718709 (or 13718702 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The square root of 1344431914 is about 36666.4957965716. The cubic root of 1344431914 is about 1103.6878739603.

The spelling of 1344431914 in words is "one billion, three hundred forty-four million, four hundred thirty-one thousand, nine hundred fourteen".

Divisors: 1 2 7 14 49 98 13718693 27437386 96030851 192061702 672215957 1344431914