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153312229 = 723128821
BaseRepresentation
bin10010010001101…
…01101111100101
3101200111001211201
421020311233211
5303221442404
623114002501
73541063300
oct1110655745
9350431751
10153312229
11795a4824
1243416431
13259bb6c5
141650bb37
15d6d5ca4
hex9235be5

153312229 has 6 divisors (see below), whose sum is σ = 178342854. Its totient is φ = 131410440.

The previous prime is 153312223. The next prime is 153312233. The reversal of 153312229 is 922213351.

It can be written as a sum of positive squares in only one way, i.e., 139287204 + 14025025 = 11802^2 + 3745^2 .

It is not a de Polignac number, because 153312229 - 23 = 153312221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 153312197 and 153312206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153312221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1564362 + ... + 1564459.

It is an arithmetic number, because the mean of its divisors is an integer number (29723809).

Almost surely, 2153312229 is an apocalyptic number.

It is an amenable number.

153312229 is a deficient number, since it is larger than the sum of its proper divisors (25030625).

153312229 is an equidigital number, since it uses as much as digits as its factorization.

153312229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3128835 (or 3128828 counting only the distinct ones).

The product of its digits is 3240, while the sum is 28.

The square root of 153312229 is about 12381.9315536793. The cubic root of 153312229 is about 535.2117006539.

The spelling of 153312229 in words is "one hundred fifty-three million, three hundred twelve thousand, two hundred twenty-nine".

Divisors: 1 7 49 3128821 21901747 153312229