Search a number
-
+
50440413 = 3106315817
BaseRepresentation
bin1100000001101…
…0100011011101
310111220122020110
43000122203131
5100403043123
65001040233
71151510412
oct300324335
9114818213
1050440413
11265216a1
1214a86079
13a5b09ca
1469b0109
154665493
hex301a8dd

50440413 has 8 divisors (see below), whose sum is σ = 67321408. Its totient is φ = 33593184.

The previous prime is 50440409. The next prime is 50440451. The reversal of 50440413 is 31404405.

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

It is not a de Polignac number, because 50440413 - 22 = 50440409 is a prime.

It is a super-2 number, since 2×504404132 = 5088470527221138, which contains 22 as substring.

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 50440413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50440613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4720 + ... + 11097.

It is an arithmetic number, because the mean of its divisors is an integer number (8415176).

Almost surely, 250440413 is an apocalyptic number.

It is an amenable number.

50440413 is a deficient number, since it is larger than the sum of its proper divisors (16880995).

50440413 is a wasteful number, since it uses less digits than its factorization.

50440413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16883.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 50440413 is about 7102.1414376229. The cubic root of 50440413 is about 369.4816530326.

Adding to 50440413 its reverse (31404405), we get a palindrome (81844818).

The spelling of 50440413 in words is "fifty million, four hundred forty thousand, four hundred thirteen".

Divisors: 1 3 1063 3189 15817 47451 16813471 50440413