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3023103220 = 225151155161
BaseRepresentation
bin1011010000110000…
…1110010011110100
321210200111112222221
42310030032103310
522142403300340
61215551332124
7134625645004
oct26414162364
97720445887
103023103220
111311510215
12704521044
13392413297
142096dc004
1512a60944a
hexb430e4f4

3023103220 has 12 divisors (see below), whose sum is σ = 6348516804. Its totient is φ = 1209241280.

The previous prime is 3023103197. The next prime is 3023103227. The reversal of 3023103220 is 223013203.

It can be written as a sum of positive squares in 2 ways, for example, as 634435344 + 2388667876 = 25188^2 + 48874^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3023103194 and 3023103203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3023103227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75577561 + ... + 75577600.

It is an arithmetic number, because the mean of its divisors is an integer number (529043067).

Almost surely, 23023103220 is an apocalyptic number.

It is an amenable number.

3023103220 is an abundant number, since it is smaller than the sum of its proper divisors (3325413584).

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

3023103220 is a wasteful number, since it uses less digits than its factorization.

3023103220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151155170 (or 151155168 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 3023103220 is about 54982.7538415456. The cubic root of 3023103220 is about 1445.9423967942.

Adding to 3023103220 its reverse (223013203), we get a palindrome (3246116423).

The spelling of 3023103220 in words is "three billion, twenty-three million, one hundred three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 151155161 302310322 604620644 755775805 1511551610 3023103220