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1550312230 = 25155031223
BaseRepresentation
bin101110001100111…
…1110001100100110
311000001012000120111
41130121332030212
511133334442410
6413500323234
753263302505
oct13431761446
94001160514
101550312230
11726124585
1237324351a
131b925981c
14109c7c83c
1591186b8a
hex5c67e326

1550312230 has 8 divisors (see below), whose sum is σ = 2790562032. Its totient is φ = 620124888.

The previous prime is 1550312227. The next prime is 1550312237. The reversal of 1550312230 is 322130551.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1550312237) 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 3 ways as a sum of consecutive naturals, for example, 77515602 + ... + 77515621.

It is an arithmetic number, because the mean of its divisors is an integer number (348820254).

Almost surely, 21550312230 is an apocalyptic number.

1550312230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1550312230 is a deficient number, since it is larger than the sum of its proper divisors (1240249802).

1550312230 is a wasteful number, since it uses less digits than its factorization.

1550312230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155031230.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 1550312230 is about 39374.0044953520. The cubic root of 1550312230 is about 1157.3722300178.

Adding to 1550312230 its reverse (322130551), we get a palindrome (1872442781).

The spelling of 1550312230 in words is "one billion, five hundred fifty million, three hundred twelve thousand, two hundred thirty".

Divisors: 1 2 5 10 155031223 310062446 775156115 1550312230