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550161142 = 2733768227
BaseRepresentation
bin100000110010101…
…100101011110110
31102100020002012121
4200302230223312
52111320124032
6130331510154
716430202226
oct4062545366
91370202177
10550161142
11262608233
121342b835a
1389c9894b
14530d2086
1533475a97
hex20cacaf6

550161142 has 8 divisors (see below), whose sum is σ = 836546616. Its totient is φ = 271312272.

The previous prime is 550161137. The next prime is 550161149. The reversal of 550161142 is 241161055.

It is a happy number.

550161142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (550161149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1883968 + ... + 1884259.

It is an arithmetic number, because the mean of its divisors is an integer number (104568327).

Almost surely, 2550161142 is an apocalyptic number.

550161142 is a deficient number, since it is larger than the sum of its proper divisors (286385474).

550161142 is a wasteful number, since it uses less digits than its factorization.

550161142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3768302.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 550161142 is about 23455.5141064953. The cubic root of 550161142 is about 819.4012791923.

The spelling of 550161142 in words is "five hundred fifty million, one hundred sixty-one thousand, one hundred forty-two".