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405114311 = 7229285091
BaseRepresentation
bin11000001001011…
…000110111000111
31001020021221100202
4120021120313013
51312202124221
6104111001115
713016262200
oct3011306707
91036257322
10405114311
11198749418
12b380919b
1365c12414
143bb365a7
1525873d0b
hex18258dc7

405114311 has 12 divisors (see below), whose sum is σ = 487507320. Its totient is φ = 335265840.

The previous prime is 405114299. The next prime is 405114313. The reversal of 405114311 is 113411504.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-405114311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405114313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141125 + ... + 143966.

It is an arithmetic number, because the mean of its divisors is an integer number (40625610).

Almost surely, 2405114311 is an apocalyptic number.

405114311 is a deficient number, since it is larger than the sum of its proper divisors (82393009).

405114311 is a wasteful number, since it uses less digits than its factorization.

405114311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285134 (or 285127 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 405114311 is about 20127.4516767523. The cubic root of 405114311 is about 739.9332244347.

Adding to 405114311 its reverse (113411504), we get a palindrome (518525815).

The spelling of 405114311 in words is "four hundred five million, one hundred fourteen thousand, three hundred eleven".

Divisors: 1 7 29 49 203 1421 285091 1995637 8267639 13969459 57873473 405114311