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405363142 = 21491360279
BaseRepresentation
bin11000001010010…
…101100111000110
31001020202120200201
4120022111213012
51312233110032
6104120201114
713021346512
oct3012254706
91036676621
10405363142
111988a9368
12b390919a
1365c9b762
143bb9d142
15258c28e7
hex182959c6

405363142 has 8 divisors (see below), whose sum is σ = 612126000. Its totient is φ = 201321144.

The previous prime is 405363137. The next prime is 405363143. The reversal of 405363142 is 241363504.

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

It is a super-2 number, since 2×4053631422 = 328638553784224328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 405363142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405363143) 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 3 ways as a sum of consecutive naturals, for example, 679842 + ... + 680437.

It is an arithmetic number, because the mean of its divisors is an integer number (76515750).

Almost surely, 2405363142 is an apocalyptic number.

405363142 is a deficient number, since it is larger than the sum of its proper divisors (206762858).

405363142 is a wasteful number, since it uses less digits than its factorization.

405363142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360430.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 405363142 is about 20133.6321114696. The cubic root of 405363142 is about 740.0846883840.

The spelling of 405363142 in words is "four hundred five million, three hundred sixty-three thousand, one hundred forty-two".

Divisors: 1 2 149 298 1360279 2720558 202681571 405363142