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1355272229 = 3173598883
BaseRepresentation
bin101000011000111…
…1101000000100101
310111110011221222202
41100301331000211
510233422202404
6342252104245
745404423663
oct12061750045
93443157882
101355272229
1163601a0a3
12319a65085
13187a1b03c
14cbdcbc33
157deac21e
hex50c7d025

1355272229 has 8 divisors (see below), whose sum is σ = 1418157312. Its totient is φ = 1293585120.

The previous prime is 1355272207. The next prime is 1355272231. The reversal of 1355272229 is 9222725531.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1355272229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1355272192 and 1355272201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355272829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297179 + ... + 301704.

It is an arithmetic number, because the mean of its divisors is an integer number (177269664).

Almost surely, 21355272229 is an apocalyptic number.

It is an amenable number.

1355272229 is a deficient number, since it is larger than the sum of its proper divisors (62885083).

1355272229 is an equidigital number, since it uses as much as digits as its factorization.

1355272229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598987.

The product of its digits is 75600, while the sum is 38.

The square root of 1355272229 is about 36814.0221790556. The cubic root of 1355272229 is about 1106.6463257237.

The spelling of 1355272229 in words is "one billion, three hundred fifty-five million, two hundred seventy-two thousand, two hundred twenty-nine".

Divisors: 1 31 73 2263 598883 18565373 43718459 1355272229