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50341431 = 3719281449
BaseRepresentation
bin1100000000001…
…0011000110111
310111201121110110
43000002120313
5100341411211
64554554103
71150616010
oct300023067
9114647413
1050341431
1126464298
1214a38933
13a57793a
146986007
154645ea6
hex3002637

50341431 has 32 divisors (see below), whose sum is σ = 81216000. Its totient is φ = 27095040.

The previous prime is 50341429. The next prime is 50341439. The reversal of 50341431 is 13414305.

It is not a de Polignac number, because 50341431 - 21 = 50341429 is a prime.

It is a super-2 number, since 2×503414312 = 5068519350255522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 50341398 and 50341407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50341439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111895 + ... + 112343.

It is an arithmetic number, because the mean of its divisors is an integer number (2538000).

Almost surely, 250341431 is an apocalyptic number.

50341431 is a deficient number, since it is larger than the sum of its proper divisors (30874569).

50341431 is a wasteful number, since it uses less digits than its factorization.

50341431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 50341431 is about 7095.1695539994. The cubic root of 50341431 is about 369.2398100384.

Adding to 50341431 its reverse (13414305), we get a palindrome (63755736).

The spelling of 50341431 in words is "fifty million, three hundred forty-one thousand, four hundred thirty-one".

Divisors: 1 3 7 19 21 57 133 281 399 449 843 1347 1967 3143 5339 5901 8531 9429 16017 25593 37373 59717 112119 126169 179151 378507 883183 2397211 2649549 7191633 16780477 50341431