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428642410 = 25737359461
BaseRepresentation
bin11001100011001…
…001000001101010
31002212120021211211
4121203021001222
51334213024120
6110311143334
713423254220
oct3143110152
91085507754
10428642410
111aaa59429
12bb674b4a
136aa5c681
1440cdcb10
152797025a
hex198c906a

428642410 has 64 divisors (see below), whose sum is σ = 910103040. Its totient is φ = 142283520.

The previous prime is 428642381. The next prime is 428642419. The reversal of 428642410 is 14246824.

It is not an unprimeable number, because it can be changed into a prime (428642419) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 929580 + ... + 930040.

It is an arithmetic number, because the mean of its divisors is an integer number (14220360).

Almost surely, 2428642410 is an apocalyptic number.

428642410 is an abundant number, since it is smaller than the sum of its proper divisors (481460630).

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

428642410 is a wasteful number, since it uses less digits than its factorization.

428642410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871.

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 428642410 is about 20703.6810736642. The cubic root of 428642410 is about 753.9890625942.

The spelling of 428642410 in words is "four hundred twenty-eight million, six hundred forty-two thousand, four hundred ten".

Divisors: 1 2 5 7 10 14 35 37 70 74 185 259 359 370 461 518 718 922 1295 1795 2305 2513 2590 3227 3590 4610 5026 6454 12565 13283 16135 17057 25130 26566 32270 34114 66415 85285 92981 119399 132830 165499 170570 185962 238798 330998 464905 596995 827495 929810 1158493 1193990 1654990 2316986 5792465 6123463 11584930 12246926 30617315 42864241 61234630 85728482 214321205 428642410