Search a number
-
+
3120030 = 232534667
BaseRepresentation
bin1011111001101110011110
312212111212200
423321232132
51244320110
6150512330
735343204
oct13715636
95774780
103120030
111841141
1210656a6
13853194
145b3074
154196c0
hex2f9b9e

3120030 has 24 divisors (see below), whose sum is σ = 8112312. Its totient is φ = 831984.

The previous prime is 3120017. The next prime is 3120067. The reversal of 3120030 is 300213.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 3119994 and 3120021.

It is a congruent number.

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, 17244 + ... + 17423.

It is an arithmetic number, because the mean of its divisors is an integer number (338013).

Almost surely, 23120030 is an apocalyptic number.

3120030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3120030 is an abundant number, since it is smaller than the sum of its proper divisors (4992282).

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

3120030 is a wasteful number, since it uses less digits than its factorization.

3120030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34680 (or 34677 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 3120030 is about 1766.3606653229. The cubic root of 3120030 is about 146.1233398223.

Adding to 3120030 its reverse (300213), we get a palindrome (3420243).

The spelling of 3120030 in words is "three million, one hundred twenty thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 34667 69334 104001 173335 208002 312003 346670 520005 624006 1040010 1560015 3120030