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3285748165 = 57217974923
BaseRepresentation
bin1100001111011000…
…1000100111000101
322110222201022010111
43003312020213011
523212122420130
61302012553021
7144265253500
oct30366104705
98428638114
103285748165
1114367a0257
12778482771
134049623ab
1423254a137
151436da02a
hexc3d889c5

3285748165 has 24 divisors (see below), whose sum is σ = 4612321440. Its totient is φ = 2240467488.

The previous prime is 3285748163. The next prime is 3285748183. The reversal of 3285748165 is 5618475823.

It is a happy number.

It is not a de Polignac number, because 3285748165 - 21 = 3285748163 is a prime.

It is a super-2 number, since 2×32857481652 = 21592282007601734450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3285748163) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6394 + ... + 81316.

It is an arithmetic number, because the mean of its divisors is an integer number (192180060).

Almost surely, 23285748165 is an apocalyptic number.

3285748165 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3285748165 is a deficient number, since it is larger than the sum of its proper divisors (1326573275).

3285748165 is a wasteful number, since it uses less digits than its factorization.

3285748165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75121 (or 75114 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 49.

The square root of 3285748165 is about 57321.4459430325. The cubic root of 3285748165 is about 1486.6592065009.

The spelling of 3285748165 in words is "three billion, two hundred eighty-five million, seven hundred forty-eight thousand, one hundred sixty-five".

Divisors: 1 5 7 35 49 179 245 895 1253 6265 8771 43855 74923 374615 524461 2622305 3671227 13411217 18356135 67056085 93878519 469392595 657149633 3285748165