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1907021342 = 21713922903
BaseRepresentation
bin111000110101010…
…1101011000011110
311220220101201111002
41301222231120132
512401144140332
6513122030302
765154261662
oct16152553036
94826351432
101907021342
118995113a6
124527a8392
132451216c5
141413b48a2
15b2648562
hex71aad61e

1907021342 has 24 divisors (see below), whose sum is σ = 3051796176. Its totient is φ = 890658624.

The previous prime is 1907021323. The next prime is 1907021357. The reversal of 1907021342 is 2431207091.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 655463 + ... + 658365.

It is an arithmetic number, because the mean of its divisors is an integer number (127158174).

Almost surely, 21907021342 is an apocalyptic number.

1907021342 is a deficient number, since it is larger than the sum of its proper divisors (1144774834).

1907021342 is a wasteful number, since it uses less digits than its factorization.

1907021342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3200 (or 3061 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 1907021342 is about 43669.4554809194. The cubic root of 1907021342 is about 1240.0861330214.

The spelling of 1907021342 in words is "one billion, nine hundred seven million, twenty-one thousand, three hundred forty-two".

Divisors: 1 2 17 34 139 278 2363 2903 4726 5806 19321 38642 49351 98702 328457 403517 656914 807034 6859789 13719578 56088863 112177726 953510671 1907021342