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1405053045 = 325112997879
BaseRepresentation
bin101001110111111…
…0110100001110101
310121220212002102200
41103233312201311
510334143144140
6351231055113
746550516364
oct12357664165
93556762380
101405053045
11661130170
12332671499
1319512a746
14d48697db
1583542030
hex53bf6875

1405053045 has 48 divisors (see below), whose sum is σ = 2748470400. Its totient is φ = 657740160.

The previous prime is 1405053031. The next prime is 1405053061. The reversal of 1405053045 is 5403505041.

1405053045 is a `hidden beast` number, since 1 + 40 + 50 + 530 + 45 = 666.

It is not a de Polignac number, because 1405053045 - 24 = 1405053029 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34585 + ... + 63294.

It is an arithmetic number, because the mean of its divisors is an integer number (57259800).

Almost surely, 21405053045 is an apocalyptic number.

1405053045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1405053045 is a deficient number, since it is larger than the sum of its proper divisors (1343417355).

1405053045 is a wasteful number, since it uses less digits than its factorization.

1405053045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97930 (or 97927 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 1405053045 is about 37484.0372025213. The cubic root of 1405053045 is about 1120.0332273837.

Adding to 1405053045 its reverse (5403505041), we get a palindrome (6808558086).

The spelling of 1405053045 in words is "one billion, four hundred five million, fifty-three thousand, forty-five".

Divisors: 1 3 5 9 11 15 29 33 45 55 87 99 145 165 261 319 435 495 957 1305 1595 2871 4785 14355 97879 293637 489395 880911 1076669 1468185 2838491 3230007 4404555 5383345 8515473 9690021 14192455 16150035 25546419 31223401 42577365 48450105 93670203 127732095 156117005 281010609 468351015 1405053045