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405113030 = 25723251623
BaseRepresentation
bin11000001001011…
…000100011000110
31001020021212121022
4120021120203012
51312202104110
6104110551142
713016255360
oct3011304306
91036255538
10405113030
11198748463
12b38084b2
1365c1196a
143bb35d30
1525873755
hex182588c6

405113030 has 32 divisors (see below), whose sum is σ = 869612544. Its totient is φ = 132856416.

The previous prime is 405113029. The next prime is 405113039. The reversal of 405113030 is 30311504.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405113039) 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 15 ways as a sum of consecutive naturals, for example, 124202 + ... + 127421.

It is an arithmetic number, because the mean of its divisors is an integer number (27175392).

Almost surely, 2405113030 is an apocalyptic number.

405113030 is an abundant number, since it is smaller than the sum of its proper divisors (464499514).

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

405113030 is a wasteful number, since it uses less digits than its factorization.

405113030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251660.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 405113030 is about 20127.4198545169. The cubic root of 405113030 is about 739.9324445269.

Adding to 405113030 its reverse (30311504), we get a palindrome (435424534).

The spelling of 405113030 in words is "four hundred five million, one hundred thirteen thousand, thirty".

Divisors: 1 2 5 7 10 14 23 35 46 70 115 161 230 322 805 1610 251623 503246 1258115 1761361 2516230 3522722 5787329 8806805 11574658 17613610 28936645 40511303 57873290 81022606 202556515 405113030