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152203049 = 295248381
BaseRepresentation
bin10010001001001…
…10111100101001
3101121101201022222
421010212330221
5302430444144
623034123425
73525463445
oct1104467451
9347351288
10152203049
1178a07449
1242b80575
13256c089b
14162dd825
15d5672ee
hex9126f29

152203049 has 4 divisors (see below), whose sum is σ = 157451460. Its totient is φ = 146954640.

The previous prime is 152203033. The next prime is 152203099. The reversal of 152203049 is 940302251.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 115175824 + 37027225 = 10732^2 + 6085^2 .

It is a cyclic number.

It is not a de Polignac number, because 152203049 - 24 = 152203033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152203019) 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 3 ways as a sum of consecutive naturals, for example, 2624162 + ... + 2624219.

It is an arithmetic number, because the mean of its divisors is an integer number (39362865).

Almost surely, 2152203049 is an apocalyptic number.

It is an amenable number.

152203049 is a deficient number, since it is larger than the sum of its proper divisors (5248411).

152203049 is an equidigital number, since it uses as much as digits as its factorization.

152203049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5248410.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 152203049 is about 12337.0599820216. The cubic root of 152203049 is about 533.9178627285.

The spelling of 152203049 in words is "one hundred fifty-two million, two hundred three thousand, forty-nine".

Divisors: 1 29 5248381 152203049