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354315231 = 32293134363
BaseRepresentation
bin10101000111100…
…110101111011111
3220200201002010100
4111013212233133
51211201041411
655054112143
711531426004
oct2507465737
9820632110
10354315231
11172002306
129a7ab653
13585373aa
14350b18ab
152118c456
hex151e6bdf

354315231 has 12 divisors (see below), whose sum is σ = 513539208. Its totient is φ = 235402224.

The previous prime is 354315223. The next prime is 354315239. The reversal of 354315231 is 132513453.

It is an interprime number because it is at equal distance from previous prime (354315223) and next prime (354315239).

It is not a de Polignac number, because 354315231 - 23 = 354315223 is a prime.

It is a super-2 number, since 2×3543152312 = 251078565837166722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 354315195 and 354315204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354315239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64545 + ... + 69818.

It is an arithmetic number, because the mean of its divisors is an integer number (42794934).

Almost surely, 2354315231 is an apocalyptic number.

354315231 is a deficient number, since it is larger than the sum of its proper divisors (159223977).

354315231 is a wasteful number, since it uses less digits than its factorization.

354315231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134662 (or 134659 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 354315231 is about 18823.2630274350. The cubic root of 354315231 is about 707.6143104224.

Adding to 354315231 its reverse (132513453), we get a palindrome (486828684).

The spelling of 354315231 in words is "three hundred fifty-four million, three hundred fifteen thousand, two hundred thirty-one".

Divisors: 1 3 9 293 879 2637 134363 403089 1209267 39368359 118105077 354315231