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128420314 = 2115837287
BaseRepresentation
bin1111010011110…
…00100111011010
322221122102112221
413221320213122
5230333422224
620424254254
73116361151
oct751704732
9287572487
10128420314
11665430a0
123701138a
13207b4769
14130ac598
15b41a6e4
hex7a789da

128420314 has 8 divisors (see below), whose sum is σ = 210142368. Its totient is φ = 58372860.

The previous prime is 128420291. The next prime is 128420393. The reversal of 128420314 is 413024821.

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

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, 2918622 + ... + 2918665.

It is an arithmetic number, because the mean of its divisors is an integer number (26267796).

Almost surely, 2128420314 is an apocalyptic number.

128420314 is a deficient number, since it is larger than the sum of its proper divisors (81722054).

128420314 is a wasteful number, since it uses less digits than its factorization.

128420314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5837300.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 128420314 is about 11332.2687048975. The cubic root of 128420314 is about 504.5194448218.

The spelling of 128420314 in words is "one hundred twenty-eight million, four hundred twenty thousand, three hundred fourteen".

Divisors: 1 2 11 22 5837287 11674574 64210157 128420314