Search a number
-
+
50664469 = 1923191607
BaseRepresentation
bin1100000101000…
…1010000010101
310112100000120211
43001101100111
5100432230334
65005525421
71153432552
oct301212025
9115300524
1050664469
1126664a69
1214b73871
13a65b99b
146a2ba29
1546aba64
hex3051415

50664469 has 16 divisors (see below), whose sum is σ = 56033280. Its totient is φ = 45595440.

The previous prime is 50664461. The next prime is 50664473. The reversal of 50664469 is 96446605.

50664469 is nontrivially palindromic in base 15.

It is not a de Polignac number, because 50664469 - 23 = 50664461 is a prime.

It is a super-2 number, since 2×506644692 = 5133776838103922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50664461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83164 + ... + 83770.

It is an arithmetic number, because the mean of its divisors is an integer number (3502080).

Almost surely, 250664469 is an apocalyptic number.

It is an amenable number.

50664469 is a deficient number, since it is larger than the sum of its proper divisors (5368811).

50664469 is a wasteful number, since it uses less digits than its factorization.

50664469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 50664469 is about 7117.8977935905. The cubic root of 50664469 is about 370.0279233857.

The spelling of 50664469 in words is "fifty million, six hundred sixty-four thousand, four hundred sixty-nine".

Divisors: 1 19 23 191 437 607 3629 4393 11533 13961 83467 115937 265259 2202803 2666551 50664469