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1349799170 = 25134979917
BaseRepresentation
bin101000001110100…
…0100110100000010
310111001212220100212
41100131010310002
510231022033140
6341534514122
745310050356
oct12035046402
93431786325
101349799170
11632a21105
12318065942
13186852b45
14cb3a5466
157d77a765
hex50744d02

1349799170 has 8 divisors (see below), whose sum is σ = 2429638524. Its totient is φ = 539919664.

The previous prime is 1349799169. The next prime is 1349799173. The reversal of 1349799170 is 719979431.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1346669809 + 3129361 = 36697^2 + 1769^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1349799173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67489949 + ... + 67489968.

Almost surely, 21349799170 is an apocalyptic number.

1349799170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1349799170 is a deficient number, since it is larger than the sum of its proper divisors (1079839354).

1349799170 is a wasteful number, since it uses less digits than its factorization.

1349799170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134979924.

The product of its (nonzero) digits is 428652, while the sum is 50.

The square root of 1349799170 is about 36739.6130899605. The cubic root of 1349799170 is about 1105.1546421301.

The spelling of 1349799170 in words is "one billion, three hundred forty-nine million, seven hundred ninety-nine thousand, one hundred seventy".

Divisors: 1 2 5 10 134979917 269959834 674899585 1349799170