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1003145642 = 22339214439
BaseRepresentation
bin111011110010101…
…100100110101010
32120220121002010022
4323302230212222
54023301130032
6243312520442
733600411602
oct7362544652
92526532108
101003145642
11475282194
1223bb50122
1312ca9bc05
1497329c02
155d103512
hex3bcac9aa

1003145642 has 8 divisors (see below), whose sum is σ = 1505368800. Its totient is φ = 501356044.

The previous prime is 1003145623. The next prime is 1003145677. The reversal of 1003145642 is 2465413001.

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

It is an unprimeable number.

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, 102542 + ... + 111897.

It is an arithmetic number, because the mean of its divisors is an integer number (188171100).

Almost surely, 21003145642 is an apocalyptic number.

1003145642 is a deficient number, since it is larger than the sum of its proper divisors (502223158).

1003145642 is a wasteful number, since it uses less digits than its factorization.

1003145642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216780.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1003145642 is about 31672.4745165262. The cubic root of 1003145642 is about 1001.0474497992.

Adding to 1003145642 its reverse (2465413001), we get a palindrome (3468558643).

The spelling of 1003145642 in words is "one billion, three million, one hundred forty-five thousand, six hundred forty-two".

Divisors: 1 2 2339 4678 214439 428878 501572821 1003145642