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9995405 = 5717107157
BaseRepresentation
bin100110001000…
…010010001101
3200210211010012
4212020102031
510024323110
6554123005
7150650060
oct46102215
920724105
109995405
115707772
123420465
1320bc754
1414828d7
15d26905
hex98848d

9995405 has 32 divisors (see below), whose sum is σ = 14743296. Its totient is φ = 6349824.

The previous prime is 9995369. The next prime is 9995407. The reversal of 9995405 is 5045999.

It is a cyclic number.

It is not a de Polignac number, because 9995405 - 26 = 9995341 is a prime.

It is a super-2 number, since 2×99954052 = 199816242228050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9995407) 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, 63587 + ... + 63743.

It is an arithmetic number, because the mean of its divisors is an integer number (460728).

Almost surely, 29995405 is an apocalyptic number.

It is an amenable number.

9995405 is a deficient number, since it is larger than the sum of its proper divisors (4747891).

9995405 is a wasteful number, since it uses less digits than its factorization.

9995405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293.

The product of its (nonzero) digits is 72900, while the sum is 41.

The square root of 9995405 is about 3161.5510433963. The cubic root of 9995405 is about 215.4104651896.

The spelling of 9995405 in words is "nine million, nine hundred ninety-five thousand, four hundred five".

Divisors: 1 5 7 17 35 85 107 119 157 535 595 749 785 1099 1819 2669 3745 5495 9095 12733 13345 16799 18683 63665 83995 93415 117593 285583 587965 1427915 1999081 9995405