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405053283 = 3135017761
BaseRepresentation
bin11000001001001…
…001111101100011
31001020011211122110
4120021021331203
51312143201113
6104105410403
713015616235
oct3011117543
91036154573
10405053283
11198707588
12b3799a03
1365bc06cb
143bb1c255
1525860bc3
hex18249f63

405053283 has 4 divisors (see below), whose sum is σ = 540071048. Its totient is φ = 270035520.

The previous prime is 405053281. The next prime is 405053287. The reversal of 405053283 is 382350504.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 405053283 - 21 = 405053281 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 405053283.

It is not an unprimeable number, because it can be changed into a prime (405053281) 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, 67508878 + ... + 67508883.

It is an arithmetic number, because the mean of its divisors is an integer number (135017762).

Almost surely, 2405053283 is an apocalyptic number.

405053283 is a deficient number, since it is larger than the sum of its proper divisors (135017765).

405053283 is a wasteful number, since it uses less digits than its factorization.

405053283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135017764.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 405053283 is about 20125.9355807376. The cubic root of 405053283 is about 739.8960670931.

The spelling of 405053283 in words is "four hundred five million, fifty-three thousand, two hundred eighty-three".

Divisors: 1 3 135017761 405053283