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3105030 = 235294383
BaseRepresentation
bin1011110110000100000110
312211202022010
423312010012
51243330110
6150315050
735251365
oct13660406
95752263
103105030
111830945
121058a86
138493c6
145ab7dc
15415020
hex2f6106

3105030 has 64 divisors (see below), whose sum is σ = 7983360. Its totient is φ = 771456.

The previous prime is 3105007. The next prime is 3105041. The reversal of 3105030 is 305013.

It is a happy number.

It is a super-2 number, since 2×31050302 = 19282422601800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3104997 and 3105015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37369 + ... + 37451.

It is an arithmetic number, because the mean of its divisors is an integer number (124740).

Almost surely, 23105030 is an apocalyptic number.

3105030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3105030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3991680).

3105030 is an abundant number, since it is smaller than the sum of its proper divisors (4878330).

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

3105030 is a wasteful number, since it uses less digits than its factorization.

3105030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165.

The product of its (nonzero) digits is 45, while the sum is 12.

The square root of 3105030 is about 1762.1095312154. The cubic root of 3105030 is about 145.8887937810. Note that the first 3 decimals are identical.

The spelling of 3105030 in words is "three million, one hundred five thousand, thirty".

Divisors: 1 2 3 5 6 10 15 29 30 43 58 83 86 87 129 145 166 174 215 249 258 290 415 430 435 498 645 830 870 1245 1247 1290 2407 2490 2494 3569 3741 4814 6235 7138 7221 7482 10707 12035 12470 14442 17845 18705 21414 24070 35690 36105 37410 53535 72210 103501 107070 207002 310503 517505 621006 1035010 1552515 3105030