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427818650 = 25275323063
BaseRepresentation
bin11001011111111…
…111111010011010
31002211000102212012
4121133333322122
51334010144100
6110241345522
713413253460
oct3137777232
91084012765
10427818650
111aa546536
12bb3382a2
136a83173c
1440b66830
152785b135
hex197ffe9a

427818650 has 48 divisors (see below), whose sum is σ = 926619264. Its totient is φ = 143906880.

The previous prime is 427818647. The next prime is 427818667. The reversal of 427818650 is 56818724.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 427818598 and 427818607.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7019 + ... + 30081.

It is an arithmetic number, because the mean of its divisors is an integer number (19304568).

Almost surely, 2427818650 is an apocalyptic number.

427818650 is an abundant number, since it is smaller than the sum of its proper divisors (498800614).

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

427818650 is a wasteful number, since it uses less digits than its factorization.

427818650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23135 (or 23130 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 427818650 is about 20683.7774596421. Note that the first 3 decimals coincide. The cubic root of 427818650 is about 753.5057503825.

The spelling of 427818650 in words is "four hundred twenty-seven million, eight hundred eighteen thousand, six hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 53 70 106 175 265 350 371 530 742 1325 1855 2650 3710 9275 18550 23063 46126 115315 161441 230630 322882 576575 807205 1153150 1222339 1614410 2444678 4036025 6111695 8072050 8556373 12223390 17112746 30558475 42781865 61116950 85563730 213909325 427818650