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108742942 = 27112232791
BaseRepresentation
bin1100111101101…
…00100100011110
321120121201021101
412132310210132
5210314233232
614442423314
72460204550
oct636644436
9246551241
10108742942
1156423200
1230501b3a
13196b5149
14106294d0
1598301e7
hex67b491e

108742942 has 48 divisors (see below), whose sum is σ = 213889536. Its totient is φ = 40510800.

The previous prime is 108742939. The next prime is 108742967. The reversal of 108742942 is 249247801.

108742942 = 4342 + 4352 + ... + 7412.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37567 + ... + 40357.

It is an arithmetic number, because the mean of its divisors is an integer number (4456032).

Almost surely, 2108742942 is an apocalyptic number.

108742942 is a deficient number, since it is larger than the sum of its proper divisors (105146594).

108742942 is a wasteful number, since it uses less digits than its factorization.

108742942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2845 (or 2834 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 108742942 is about 10427.9883966180. The cubic root of 108742942 is about 477.3098090361.

The spelling of 108742942 in words is "one hundred eight million, seven hundred forty-two thousand, nine hundred forty-two".

Divisors: 1 2 7 11 14 22 23 46 77 121 154 161 242 253 322 506 847 1694 1771 2783 2791 3542 5566 5582 19481 19537 30701 38962 39074 61402 64193 128386 214907 337711 429814 449351 675422 706123 898702 1412246 2363977 4727954 4942861 7767353 9885722 15534706 54371471 108742942