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405330077 = 1912638069
BaseRepresentation
bin11000001010001…
…101100010011101
31001020200220100002
4120022031202131
51312231030302
6104115344045
713021151225
oct3012154235
91036626302
10405330077
11198886539
12b38b2025
1365c896a9
143bb91085
15258b7c02
hex1828d89d

405330077 has 8 divisors (see below), whose sum is σ = 409052160. Its totient is φ = 401625040.

The previous prime is 405330011. The next prime is 405330089. The reversal of 405330077 is 770033504.

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

It is a cyclic number.

It is not a de Polignac number, because 405330077 - 222 = 401135773 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 (405330577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46199 + ... + 54267.

It is an arithmetic number, because the mean of its divisors is an integer number (51131520).

Almost surely, 2405330077 is an apocalyptic number.

It is an amenable number.

405330077 is a deficient number, since it is larger than the sum of its proper divisors (3722083).

405330077 is a wasteful number, since it uses less digits than its factorization.

405330077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8523.

The product of its (nonzero) digits is 8820, while the sum is 29.

The square root of 405330077 is about 20132.8109562475. The cubic root of 405330077 is about 740.0645652211.

The spelling of 405330077 in words is "four hundred five million, three hundred thirty thousand, seventy-seven".

Divisors: 1 191 263 8069 50233 1541179 2122147 405330077