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152078849 = 1340129173
BaseRepresentation
bin10010001000010…
…00101000000001
3101121011101221222
421010020220001
5302413010344
623031324425
73524435366
oct1104105001
9347141858
10152078849
11789320aa
1242b20715
13256791b0
14162aa46d
15d5405ee
hex9108a01

152078849 has 8 divisors (see below), whose sum is σ = 164191272. Its totient is φ = 140025600.

The previous prime is 152078833. The next prime is 152078851. The reversal of 152078849 is 948870251.

It can be written as a sum of positive squares in 4 ways, for example, as 12673600 + 139405249 = 3560^2 + 11807^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 152078849 - 24 = 152078833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152078809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9374 + ... + 19799.

It is an arithmetic number, because the mean of its divisors is an integer number (20523909).

Almost surely, 2152078849 is an apocalyptic number.

It is an amenable number.

152078849 is a deficient number, since it is larger than the sum of its proper divisors (12112423).

152078849 is a wasteful number, since it uses less digits than its factorization.

152078849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29587.

The product of its (nonzero) digits is 161280, while the sum is 44.

The square root of 152078849 is about 12332.0253405513. The cubic root of 152078849 is about 533.7725948456.

The spelling of 152078849 in words is "one hundred fifty-two million, seventy-eight thousand, eight hundred forty-nine".

Divisors: 1 13 401 5213 29173 379249 11698373 152078849