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50507390 = 256182799
BaseRepresentation
bin1100000010101…
…0111001111110
310112001001010002
43000222321332
5100412214030
65002314302
71152206603
oct300527176
9115031102
1050507390
1126567a4a
1214ab8992
13a60533b
1469ca6aa
15467a245
hex302ae7e

50507390 has 16 divisors (see below), whose sum is σ = 92404800. Its totient is φ = 19871520.

The previous prime is 50507383. The next prime is 50507393. The reversal of 50507390 is 9370505.

It is a super-2 number, since 2×505073902 = 5101992889224200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50507393) 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, 40790 + ... + 42009.

It is an arithmetic number, because the mean of its divisors is an integer number (5775300).

Almost surely, 250507390 is an apocalyptic number.

50507390 is a deficient number, since it is larger than the sum of its proper divisors (41897410).

50507390 is a wasteful number, since it uses less digits than its factorization.

50507390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82867.

The product of its (nonzero) digits is 4725, while the sum is 29.

The square root of 50507390 is about 7106.8551413406. The cubic root of 50507390 is about 369.6451187009.

Adding to 50507390 its reverse (9370505), we get a palindrome (59877895).

The spelling of 50507390 in words is "fifty million, five hundred seven thousand, three hundred ninety".

Divisors: 1 2 5 10 61 122 305 610 82799 165598 413995 827990 5050739 10101478 25253695 50507390