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405630106 = 2728973579
BaseRepresentation
bin11000001011010…
…110110010011010
31001021021010220021
4120023112302122
51312320130411
6104130021054
713023541030
oct3013266232
91037233807
10405630106
11198a709a2
12b3a1778a
136606311b
143bc2c550
1525926a71
hex182d6c9a

405630106 has 8 divisors (see below), whose sum is σ = 695365920. Its totient is φ = 173841468.

The previous prime is 405630101. The next prime is 405630109. The reversal of 405630106 is 601036504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (405630101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14486776 + ... + 14486803.

It is an arithmetic number, because the mean of its divisors is an integer number (86920740).

Almost surely, 2405630106 is an apocalyptic number.

405630106 is a deficient number, since it is larger than the sum of its proper divisors (289735814).

405630106 is a wasteful number, since it uses less digits than its factorization.

405630106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28973588.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 405630106 is about 20140.2608225415. The cubic root of 405630106 is about 740.2471210203.

The spelling of 405630106 in words is "four hundred five million, six hundred thirty thousand, one hundred six".

Divisors: 1 2 7 14 28973579 57947158 202815053 405630106