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1927954142 = 21954149331
BaseRepresentation
bin111001011101010…
…0011111011011110
311222100210012212222
41302322203323132
512422024013032
6515150425342
765530224362
oct16272437336
94870705788
101927954142
118aa309534
12459802252
1324957058a
141440a32a2
15b43d0a12
hex72ea3ede

1927954142 has 8 divisors (see below), whose sum is σ = 2892137832. Its totient is φ = 963908200.

The previous prime is 1927954123. The next prime is 1927954159. The reversal of 1927954142 is 2414597291.

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

It is a junction number, because it is equal to n+sod(n) for n = 1927954093 and 1927954102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14417 + ... + 63747.

It is an arithmetic number, because the mean of its divisors is an integer number (361517229).

Almost surely, 21927954142 is an apocalyptic number.

1927954142 is a deficient number, since it is larger than the sum of its proper divisors (964183690).

1927954142 is a wasteful number, since it uses less digits than its factorization.

1927954142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68874.

The product of its digits is 181440, while the sum is 44.

The square root of 1927954142 is about 43908.4746034293. The cubic root of 1927954142 is about 1244.6069827138.

The spelling of 1927954142 in words is "one billion, nine hundred twenty-seven million, nine hundred fifty-four thousand, one hundred forty-two".

Divisors: 1 2 19541 39082 49331 98662 963977071 1927954142