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3053430 = 233543263
BaseRepresentation
bin1011101001011101110110
312202010112000
423221131312
51240202210
6145240130
734645062
oct13513566
95663460
103053430
1117a60a6
121033046
1382ba83
14596aa2
15404ac0
hex2e9776

3053430 has 64 divisors (see below), whose sum is σ = 8363520. Its totient is φ = 792288.

The previous prime is 3053423. The next prime is 3053431. The reversal of 3053430 is 343503.

It is a happy number.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3053431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11479 + ... + 11741.

It is an arithmetic number, because the mean of its divisors is an integer number (130680).

Almost surely, 23053430 is an apocalyptic number.

3053430 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 3053430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4181760).

3053430 is an abundant number, since it is smaller than the sum of its proper divisors (5310090).

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

3053430 is a wasteful number, since it uses less digits than its factorization.

3053430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322 (or 316 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 18.

The square root of 3053430 is about 1747.4066498672. The cubic root of 3053430 is about 145.0761391643.

Adding to 3053430 its reverse (343503), we get a palindrome (3396933).

The spelling of 3053430 in words is "three million, fifty-three thousand, four hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 43 45 54 86 90 129 135 215 258 263 270 387 430 526 645 774 789 1161 1290 1315 1578 1935 2322 2367 2630 3870 3945 4734 5805 7101 7890 11309 11610 11835 14202 22618 23670 33927 35505 56545 67854 71010 101781 113090 169635 203562 305343 339270 508905 610686 1017810 1526715 3053430