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3047130 = 232533857
BaseRepresentation
bin1011100111111011011010
312201210212200
423213323122
51240002010
6145151030
734620522
oct13477332
95653780
103047130
1117a1399
12102b476
13828c48
14594682
15402cc0
hex2e7eda

3047130 has 24 divisors (see below), whose sum is σ = 7922772. Its totient is φ = 812544.

The previous prime is 3047123. The next prime is 3047141. The reversal of 3047130 is 317403.

It can be written as a sum of positive squares in 2 ways, for example, as 2752281 + 294849 = 1659^2 + 543^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16839 + ... + 17018.

Almost surely, 23047130 is an apocalyptic number.

3047130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3047130 is an abundant number, since it is smaller than the sum of its proper divisors (4875642).

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

3047130 is a wasteful number, since it uses less digits than its factorization.

3047130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33870 (or 33867 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 3047130 is about 1745.6030476600. The cubic root of 3047130 is about 144.9762941825.

The spelling of 3047130 in words is "three million, forty-seven thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 33857 67714 101571 169285 203142 304713 338570 507855 609426 1015710 1523565 3047130