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428314874 = 213109715017
BaseRepresentation
bin11001100001111…
…001000011111010
31002211221122112212
4121201321003322
51334122033444
6110300135122
713420421261
oct3141710372
91084848485
10428314874
111aa855339
12bb5374a2
136a976570
1440c555d8
152790819e
hex198790fa

428314874 has 16 divisors (see below), whose sum is σ = 692570088. Its totient is φ = 197490432.

The previous prime is 428314837. The next prime is 428314877. The reversal of 428314874 is 478413824.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 215884249 + 212430625 = 14693^2 + 14575^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (428314877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21014 + ... + 36030.

Almost surely, 2428314874 is an apocalyptic number.

428314874 is a deficient number, since it is larger than the sum of its proper divisors (264255214).

428314874 is a wasteful number, since it uses less digits than its factorization.

428314874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16129.

The product of its digits is 172032, while the sum is 41.

The square root of 428314874 is about 20695.7694710779. The cubic root of 428314874 is about 753.7969665837.

The spelling of 428314874 in words is "four hundred twenty-eight million, three hundred fourteen thousand, eight hundred seventy-four".

Divisors: 1 2 13 26 1097 2194 14261 15017 28522 30034 195221 390442 16473649 32947298 214157437 428314874