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128303342 = 2197325643
BaseRepresentation
bin1111010010111…
…00000011101110
322221102111002122
413221130003232
5230321201332
620421552542
73115363136
oct751340356
9287374078
10128303342
1166473222
1236b75752
132077344b
141307bac6
15b3e5c12
hex7a5c0ee

128303342 has 8 divisors (see below), whose sum is σ = 193432536. Its totient is φ = 63825832.

The previous prime is 128303321. The next prime is 128303359. The reversal of 128303342 is 243303821.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162428 + ... + 163215.

It is an arithmetic number, because the mean of its divisors is an integer number (24179067).

Almost surely, 2128303342 is an apocalyptic number.

128303342 is a deficient number, since it is larger than the sum of its proper divisors (65129194).

128303342 is a wasteful number, since it uses less digits than its factorization.

128303342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325842.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 128303342 is about 11327.1065149049. The cubic root of 128303342 is about 504.3662173102.

The spelling of 128303342 in words is "one hundred twenty-eight million, three hundred three thousand, three hundred forty-two".

Divisors: 1 2 197 394 325643 651286 64151671 128303342