Search a number
-
+
50000405 = 5713109891
BaseRepresentation
bin1011111010111…
…1001000010101
310111002021122212
42332233020111
5100300003110
64543403205
71144665530
oct276571025
9114067585
1050000405
1126251054
12148b3505
13a488650
1468d7a17
1545c9e05
hex2faf215

50000405 has 16 divisors (see below), whose sum is σ = 73847424. Its totient is φ = 31648320.

The previous prime is 50000399. The next prime is 50000429. The reversal of 50000405 is 50400005.

It is not a de Polignac number, because 50000405 - 24 = 50000389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50000405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54491 + ... + 55400.

It is an arithmetic number, because the mean of its divisors is an integer number (4615464).

Almost surely, 250000405 is an apocalyptic number.

It is an amenable number.

50000405 is a deficient number, since it is larger than the sum of its proper divisors (23847019).

50000405 is a wasteful number, since it uses less digits than its factorization.

50000405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109916.

The product of its (nonzero) digits is 100, while the sum is 14.

The square root of 50000405 is about 7071.0964496321. The cubic root of 50000405 is about 368.4041445499.

It can be divided in two parts, 50000 and 405, that multiplied together give a square (20250000 = 45002).

The spelling of 50000405 in words is "fifty million, four hundred five", and thus it is an aban number.

Divisors: 1 5 7 13 35 65 91 455 109891 549455 769237 1428583 3846185 7142915 10000081 50000405