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3104512220 = 225199478627
BaseRepresentation
bin1011100100001011…
…0001100011011100
322000100200120011002
42321002301203130
522324223342340
61232020245432
7136634630015
oct27102614334
98010616132
103104512220
111353463a87
12727840878
133a6247aa4
1421645000c
1513283a715
hexb90b18dc

3104512220 has 48 divisors (see below), whose sum is σ = 6870648960. Its totient is φ = 1175068224.

The previous prime is 3104512199. The next prime is 3104512241. The reversal of 3104512220 is 222154013.

It is an interprime number because it is at equal distance from previous prime (3104512199) and next prime (3104512241).

It is a super-2 number, since 2×31045122202 = 19275992248258656800, which contains 22 as substring.

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 = 3104512192 and 3104512201.

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, 355547 + ... + 364173.

It is an arithmetic number, because the mean of its divisors is an integer number (143138520).

Almost surely, 23104512220 is an apocalyptic number.

It is an amenable number.

3104512220 is an abundant number, since it is smaller than the sum of its proper divisors (3766136740).

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

3104512220 is a wasteful number, since it uses less digits than its factorization.

3104512220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9602 (or 9600 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 3104512220 is about 55718.1498257076. The cubic root of 3104512220 is about 1458.8068409028.

Adding to 3104512220 its reverse (222154013), we get a palindrome (3326666233).

The spelling of 3104512220 in words is "three billion, one hundred four million, five hundred twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 947 1894 3788 4735 8627 9470 17254 17993 18940 34508 35986 43135 71972 86270 89965 163913 172540 179930 327826 359860 655652 819565 1639130 3278260 8169769 16339538 32679076 40848845 81697690 155225611 163395380 310451222 620902444 776128055 1552256110 3104512220