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30413430 = 23251811867
BaseRepresentation
bin111010000000…
…1001001110110
32010020011101100
41310001021312
530241212210
63003510530
7516336615
oct164011166
963204340
1030413430
1116193073
12a228446
1363bb218
14407987c
152a0b5c0
hex1d01276

30413430 has 48 divisors (see below), whose sum is σ = 79554384. Its totient is φ = 8061120.

The previous prime is 30413417. The next prime is 30413437. The reversal of 30413430 is 3431403.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30413437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15357 + ... + 17223.

It is an arithmetic number, because the mean of its divisors is an integer number (1657383).

Almost surely, 230413430 is an apocalyptic number.

30413430 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 30413430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39777192).

30413430 is an abundant number, since it is smaller than the sum of its proper divisors (49140954).

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

30413430 is a wasteful number, since it uses less digits than its factorization.

30413430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2061 (or 2058 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 30413430 is about 5514.8372596116. The cubic root of 30413430 is about 312.1441025657.

Adding to 30413430 its reverse (3431403), we get a palindrome (33844833).

The spelling of 30413430 in words is "thirty million, four hundred thirteen thousand, four hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 181 362 543 905 1086 1629 1810 1867 2715 3258 3734 5430 5601 8145 9335 11202 16290 16803 18670 28005 33606 56010 84015 168030 337927 675854 1013781 1689635 2027562 3041343 3379270 5068905 6082686 10137810 15206715 30413430