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3230020320 = 25356729209
BaseRepresentation
bin1100000010000110…
…0011001011100000
322100002212000220020
43000201203023200
523103341122240
61252302313440
7143020501602
oct30041431340
98302760806
103230020320
11140829808a
12761888880
133c624cb37
14228da1172
1513d87d0d0
hexc08632e0

3230020320 has 48 divisors (see below), whose sum is σ = 10174565520. Its totient is φ = 861338624.

The previous prime is 3230020309. The next prime is 3230020327. The reversal of 3230020320 is 230200323.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×32300203202 = 20866062535225804800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 3230020320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3230020327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3364125 + ... + 3365084.

It is an arithmetic number, because the mean of its divisors is an integer number (211970115).

Almost surely, 23230020320 is an apocalyptic number.

3230020320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3230020320 is an abundant number, since it is smaller than the sum of its proper divisors (6944545200).

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

3230020320 is a wasteful number, since it uses less digits than its factorization.

3230020320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6729227 (or 6729219 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 15.

The square root of 3230020320 is about 56833.2677223473. The cubic root of 3230020320 is about 1478.2064223645.

Adding to 3230020320 its reverse (230200323), we get a palindrome (3460220643).

The spelling of 3230020320 in words is "three billion, two hundred thirty million, twenty thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 6729209 13458418 20187627 26916836 33646045 40375254 53833672 67292090 80750508 100938135 107667344 134584180 161501016 201876270 215334688 269168360 323002032 403752540 538336720 646004064 807505080 1076673440 1615010160 3230020320