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109229430 = 23531671753
BaseRepresentation
bin1101000001010…
…11010101110110
321121112102121110
412200223111312
5210430320210
614501055450
72464302102
oct640532566
9247472543
10109229430
1156725762
12306b7586
13198256cb
1410714902
1598c9420
hex682b576

109229430 has 64 divisors (see below), whose sum is σ = 274802688. Its totient is φ = 27751680.

The previous prime is 109229413. The next prime is 109229431. The reversal of 109229430 is 34922901.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109229431) 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, 61434 + ... + 63186.

It is an arithmetic number, because the mean of its divisors is an integer number (4293792).

Almost surely, 2109229430 is an apocalyptic number.

109229430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 109229430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137401344).

109229430 is an abundant number, since it is smaller than the sum of its proper divisors (165573258).

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

109229430 is a wasteful number, since it uses less digits than its factorization.

109229430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 109229430 is about 10451.2884373172. The cubic root of 109229430 is about 478.0205373901.

The spelling of 109229430 in words is "one hundred nine million, two hundred twenty-nine thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 31 62 67 93 134 155 186 201 310 335 402 465 670 930 1005 1753 2010 2077 3506 4154 5259 6231 8765 10385 10518 12462 17530 20770 26295 31155 52590 54343 62310 108686 117451 163029 234902 271715 326058 352353 543430 587255 704706 815145 1174510 1630290 1761765 3523530 3640981 7281962 10922943 18204905 21845886 36409810 54614715 109229430