Search a number
-
+
1353113549 = 31738910973
BaseRepresentation
bin101000010100110…
…1101111111001101
310111022010021211122
41100221231333031
510232344113144
6342133530325
745350163314
oct12051557715
93438107748
101353113549
11634885267
123191a39a5
13187443608
14cb9c927b
157dbd27ee
hex50a6dfcd

1353113549 has 8 divisors (see below), whose sum is σ = 1360995480. Its totient is φ = 1345254976.

The previous prime is 1353113537. The next prime is 1353113561. The reversal of 1353113549 is 9453113531.

It is an interprime number because it is at equal distance from previous prime (1353113537) and next prime (1353113561).

It can be written as a sum of positive squares in 4 ways, for example, as 198025 + 1352915524 = 445^2 + 36782^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1353113549 - 24 = 1353113533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1353113579) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117827 + ... + 128799.

It is an arithmetic number, because the mean of its divisors is an integer number (170124435).

Almost surely, 21353113549 is an apocalyptic number.

It is an amenable number.

1353113549 is a deficient number, since it is larger than the sum of its proper divisors (7881931).

1353113549 is a wasteful number, since it uses less digits than its factorization.

1353113549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11679.

The product of its digits is 24300, while the sum is 35.

The square root of 1353113549 is about 36784.6917752480. The cubic root of 1353113549 is about 1106.0584574199.

The spelling of 1353113549 in words is "one billion, three hundred fifty-three million, one hundred thirteen thousand, five hundred forty-nine".

Divisors: 1 317 389 10973 123313 3478441 4268497 1353113549