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1293434349 = 3983438601
BaseRepresentation
bin100110100011000…
…0011110111101101
310100010211021100220
41031012003313231
510122104344344
6332202441553
744024003424
oct11506036755
93303737326
101293434349
11604123409
123012032b9
13177c7968c
14c3ad22bb
1578844c19
hex4d183ded

1293434349 has 8 divisors (see below), whose sum is σ = 1726337472. Its totient is φ = 861410400.

The previous prime is 1293434293. The next prime is 1293434353. The reversal of 1293434349 is 9434343921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1293434349 - 212 = 1293430253 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1293434349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1293434369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216352 + ... + 222249.

It is an arithmetic number, because the mean of its divisors is an integer number (215792184).

Almost surely, 21293434349 is an apocalyptic number.

It is an amenable number.

1293434349 is a deficient number, since it is larger than the sum of its proper divisors (432903123).

1293434349 is an equidigital number, since it uses as much as digits as its factorization.

1293434349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439587.

The product of its digits is 279936, while the sum is 42.

The square root of 1293434349 is about 35964.3483049533. The cubic root of 1293434349 is about 1089.5524209579.

The spelling of 1293434349 in words is "one billion, two hundred ninety-three million, four hundred thirty-four thousand, three hundred forty-nine".

Divisors: 1 3 983 2949 438601 1315803 431144783 1293434349