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323190243 = 351330001
BaseRepresentation
bin10011010000110…
…111110111100011
3211112010202200000
4103100313313203
51130214041433
652023031043
711003033415
oct2320676743
9745122600
10323190243
11156483682
129029b483
1351c5a33c
1430ccc9b5
151d590113
hex13437de3

323190243 has 12 divisors (see below), whose sum is σ = 484120728. Its totient is φ = 215460000.

The previous prime is 323190229. The next prime is 323190251. The reversal of 323190243 is 342091323.

It is a happy number.

It is not a de Polignac number, because 323190243 - 225 = 289635811 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (323190253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 664758 + ... + 665243.

It is an arithmetic number, because the mean of its divisors is an integer number (40343394).

Almost surely, 2323190243 is an apocalyptic number.

323190243 is a deficient number, since it is larger than the sum of its proper divisors (160930485).

323190243 is an equidigital number, since it uses as much as digits as its factorization.

323190243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330016 (or 1330004 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 323190243 is about 17977.4926783464. The cubic root of 323190243 is about 686.2558827768.

The spelling of 323190243 in words is "three hundred twenty-three million, one hundred ninety thousand, two hundred forty-three".

Divisors: 1 3 9 27 81 243 1330001 3990003 11970009 35910027 107730081 323190243