Search a number
-
+
1405053042 = 231993117499
BaseRepresentation
bin101001110111111…
…0110100001110010
310121220212002102120
41103233312201302
510334143144132
6351231055110
746550516361
oct12357664162
93556762376
101405053042
11661130168
12332671496
1319512a743
14d48697d8
158354202c
hex53bf6872

1405053042 has 16 divisors (see below), whose sum is σ = 2811540000. Its totient is φ = 468112032.

The previous prime is 1405053031. The next prime is 1405053061. The reversal of 1405053042 is 2403505041.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46792 + ... + 70707.

It is an arithmetic number, because the mean of its divisors is an integer number (175721250).

Almost surely, 21405053042 is an apocalyptic number.

1405053042 is an abundant number, since it is smaller than the sum of its proper divisors (1406486958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1405053042 is a wasteful number, since it uses less digits than its factorization.

1405053042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119497.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 1405053042 is about 37484.0371625043. The cubic root of 1405053042 is about 1120.0332265865.

Adding to 1405053042 its reverse (2403505041), we get a palindrome (3808558083).

The spelling of 1405053042 in words is "one billion, four hundred five million, fifty-three thousand, forty-two".

Divisors: 1 2 3 6 1993 3986 5979 11958 117499 234998 352497 704994 234175507 468351014 702526521 1405053042