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152228743 = 232299923
BaseRepresentation
bin10010001001011…
…01001110000111
3101121110000120121
421010231032013
5302432304433
623034442411
73525631402
oct1104551607
9347400517
10152228743
1178a24787
1242b93407
13256cc4a4
1416308d39
15d56ec2d
hex912d387

152228743 has 12 divisors (see below), whose sum is σ = 164639160. Its totient is φ = 140574896.

The previous prime is 152228737. The next prime is 152228749. The reversal of 152228743 is 347822251.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (152228737) and next prime (152228749).

It is not a de Polignac number, because 152228743 - 29 = 152228231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 152228699 and 152228708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152228749) 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 11 ways as a sum of consecutive naturals, for example, 10380 + ... + 20302.

It is an arithmetic number, because the mean of its divisors is an integer number (13719930).

Almost surely, 2152228743 is an apocalyptic number.

152228743 is a deficient number, since it is larger than the sum of its proper divisors (12410417).

152228743 is an equidigital number, since it uses as much as digits as its factorization.

152228743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9998 (or 9975 counting only the distinct ones).

The product of its digits is 26880, while the sum is 34.

The square root of 152228743 is about 12338.1012720759. The cubic root of 152228743 is about 533.9479053016.

The spelling of 152228743 in words is "one hundred fifty-two million, two hundred twenty-eight thousand, seven hundred forty-three".

Divisors: 1 23 29 529 667 9923 15341 228229 287767 5249267 6618641 152228743