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1828423685 = 51188337649
BaseRepresentation
bin110110011111011…
…1000100000000101
311201102111112202202
41230332320200011
512221034024220
6501233244245
763211226204
oct15476704005
94642445682
101828423685
11859108860
12430403685
13231a6270a
14134b9523b
15aa7c0275
hex6cfb8805

1828423685 has 16 divisors (see below), whose sum is σ = 2396347200. Its totient is φ = 1328221440.

The previous prime is 1828423643. The next prime is 1828423691. The reversal of 1828423685 is 5863248281.

It is not a de Polignac number, because 1828423685 - 218 = 1828161541 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29741 + ... + 67389.

It is an arithmetic number, because the mean of its divisors is an integer number (149771700).

Almost surely, 21828423685 is an apocalyptic number.

It is an amenable number.

1828423685 is a deficient number, since it is larger than the sum of its proper divisors (567923515).

1828423685 is a wasteful number, since it uses less digits than its factorization.

1828423685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38548.

The product of its digits is 737280, while the sum is 47.

The square root of 1828423685 is about 42760.0711528875. The cubic root of 1828423685 is about 1222.8098999254.

The spelling of 1828423685 in words is "one billion, eight hundred twenty-eight million, four hundred twenty-three thousand, six hundred eighty-five".

Divisors: 1 5 11 55 883 4415 9713 37649 48565 188245 414139 2070695 33244067 166220335 365684737 1828423685