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50453490 = 2352373121
BaseRepresentation
bin1100000001110…
…1101111110010
310111221022011210
43000131233302
5100404002430
65001220550
71151563503
oct300355762
9114838153
1050453490
11265304aa
1214a91756
13a5b6949
1469b4baa
1546692b0
hex301dbf2

50453490 has 32 divisors (see below), whose sum is σ = 126354816. Its totient is φ = 12869120.

The previous prime is 50453489. The next prime is 50453497. The reversal of 50453490 is 9435405.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (50453497) 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, 35871 + ... + 37250.

It is an arithmetic number, because the mean of its divisors is an integer number (3948588).

Almost surely, 250453490 is an apocalyptic number.

50453490 is an abundant number, since it is smaller than the sum of its proper divisors (75901326).

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

50453490 is a wasteful number, since it uses less digits than its factorization.

50453490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73154.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 50453490 is about 7103.0620157788. The cubic root of 50453490 is about 369.5135804350.

Adding to 50453490 its reverse (9435405), we get a palindrome (59888895).

The spelling of 50453490 in words is "fifty million, four hundred fifty-three thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 230 345 690 73121 146242 219363 365605 438726 731210 1096815 1681783 2193630 3363566 5045349 8408915 10090698 16817830 25226745 50453490