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128473352 = 23717134951
BaseRepresentation
bin1111010100001…
…01100100001000
322221202010022022
413222011210020
5230342121402
620425344012
73120001610
oct752054410
9287663268
10128473352
1166579a27
1237038008
1320802947
14130c3a40
15b42b2a2
hex7a85908

128473352 has 32 divisors (see below), whose sum is σ = 291496320. Its totient is φ = 51820800.

The previous prime is 128473333. The next prime is 128473363. The reversal of 128473352 is 253374821.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66524 + ... + 68427.

It is an arithmetic number, because the mean of its divisors is an integer number (9109260).

Almost surely, 2128473352 is an apocalyptic number.

It is an amenable number.

128473352 is an abundant number, since it is smaller than the sum of its proper divisors (163022968).

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

128473352 is a wasteful number, since it uses less digits than its factorization.

128473352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134981 (or 134977 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 128473352 is about 11334.6085949185. The cubic root of 128473352 is about 504.5888913097.

The spelling of 128473352 in words is "one hundred twenty-eight million, four hundred seventy-three thousand, three hundred fifty-two".

Divisors: 1 2 4 7 8 14 17 28 34 56 68 119 136 238 476 952 134951 269902 539804 944657 1079608 1889314 2294167 3778628 4588334 7557256 9176668 16059169 18353336 32118338 64236676 128473352