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148728386 = 2712833701
BaseRepresentation
bin10001101110101…
…10101001000010
3101100212011222202
420313112221002
5301033302021
622431433202
73454112312
oct1067265102
9340764882
10148728386
1176a53924
1241985802
1324a75181
1415a77442
15d0cca0b
hex8dd6a42

148728386 has 16 divisors (see below), whose sum is σ = 227095488. Its totient is φ = 73038000.

The previous prime is 148728383. The next prime is 148728389. The reversal of 148728386 is 683827841.

It is an interprime number because it is at equal distance from previous prime (148728383) and next prime (148728389).

It is a self number, because there is not a number n which added to its sum of digits gives 148728386.

It is not an unprimeable number, because it can be changed into a prime (148728383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38336 + ... + 42036.

It is an arithmetic number, because the mean of its divisors is an integer number (14193468).

Almost surely, 2148728386 is an apocalyptic number.

148728386 is a deficient number, since it is larger than the sum of its proper divisors (78367102).

148728386 is a wasteful number, since it uses less digits than its factorization.

148728386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4057.

The product of its digits is 516096, while the sum is 47.

The square root of 148728386 is about 12195.4247978494. The cubic root of 148728386 is about 529.8235867118.

The spelling of 148728386 in words is "one hundred forty-eight million, seven hundred twenty-eight thousand, three hundred eighty-six".

Divisors: 1 2 71 142 283 566 3701 7402 20093 40186 262771 525542 1047383 2094766 74364193 148728386