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3130234220 = 225236804857
BaseRepresentation
bin1011101010010011…
…1001010101101100
322002011002101002202
42322210321111230
522402314443340
61234335441032
7140366360201
oct27244712554
98064071082
103130234220
111366a32333
12734386178
133ab6827c9
14219a27ca8
15134c1bc15
hexba93956c

3130234220 has 24 divisors (see below), whose sum is σ = 6859296864. Its totient is φ = 1197654656.

The previous prime is 3130234213. The next prime is 3130234223. The reversal of 3130234220 is 224320313.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3130234192 and 3130234201.

It is not an unprimeable number, because it can be changed into a prime (3130234223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3401969 + ... + 3402888.

It is an arithmetic number, because the mean of its divisors is an integer number (285804036).

Almost surely, 23130234220 is an apocalyptic number.

It is an amenable number.

3130234220 is an abundant number, since it is smaller than the sum of its proper divisors (3729062644).

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

3130234220 is a wasteful number, since it uses less digits than its factorization.

3130234220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6804889 (or 6804887 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 3130234220 is about 55948.4961370724. The cubic root of 3130234220 is about 1462.8246779094.

Adding to 3130234220 its reverse (224320313), we get a palindrome (3354554533).

The spelling of 3130234220 in words is "three billion, one hundred thirty million, two hundred thirty-four thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 6804857 13609714 27219428 34024285 68048570 136097140 156511711 313023422 626046844 782558555 1565117110 3130234220