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748139196 = 223717523907
BaseRepresentation
bin101100100101111…
…011001010111100
31221010202102001010
4230211323022330
53013010423241
6202123115220
724353035560
oct5445731274
91833672033
10748139196
1135433a062
1218a672b10
13bbcc581c
14715096a0
1545a30d16
hex2c97b2bc

748139196 has 48 divisors (see below), whose sum is σ = 2112397056. Its totient is φ = 201179904.

The previous prime is 748139167. The next prime is 748139221. The reversal of 748139196 is 691931847.

It is a happy number.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

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 15 ways as a sum of consecutive naturals, for example, 260526 + ... + 263381.

It is an arithmetic number, because the mean of its divisors is an integer number (44008272).

Almost surely, 2748139196 is an apocalyptic number.

It is an amenable number.

748139196 is an abundant number, since it is smaller than the sum of its proper divisors (1364257860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

748139196 is a wasteful number, since it uses less digits than its factorization.

748139196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523938 (or 523936 counting only the distinct ones).

The product of its digits is 326592, while the sum is 48.

The square root of 748139196 is about 27352.1332988855. The cubic root of 748139196 is about 907.8082729607.

The spelling of 748139196 in words is "seven hundred forty-eight million, one hundred thirty-nine thousand, one hundred ninety-six".

Divisors: 1 2 3 4 6 7 12 14 17 21 28 34 42 51 68 84 102 119 204 238 357 476 714 1428 523907 1047814 1571721 2095628 3143442 3667349 6286884 7334698 8906419 11002047 14669396 17812838 22004094 26719257 35625676 44008188 53438514 62344933 106877028 124689866 187034799 249379732 374069598 748139196