Base | Representation |
---|---|
bin | 1011111101010… |
… | …0000000000111 |
3 | 10111100221211102 |
4 | 2333110000013 |
5 | 100314321211 |
6 | 4550530315 |
7 | 1146165041 |
oct | 277240007 |
9 | 114327742 |
10 | 50151431 |
11 | 26344570 |
12 | 1496699b |
13 | a50c305 |
14 | 6936a91 |
15 | 4609a3b |
hex | 2fd4007 |
50151431 has 16 divisors (see below), whose sum is σ = 60099840. Its totient is φ = 41310720.
The previous prime is 50151419. The next prime is 50151433. The reversal of 50151431 is 13415105.
It is not a de Polignac number, because 50151431 - 210 = 50150407 is a prime.
It is a super-2 number, since 2×501514312 = 5030332062695522, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50151433) 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, 410 + ... + 10023.
It is an arithmetic number, because the mean of its divisors is an integer number (3756240).
Almost surely, 250151431 is an apocalyptic number.
50151431 is a deficient number, since it is larger than the sum of its proper divisors (9948409).
50151431 is a wasteful number, since it uses less digits than its factorization.
50151431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10486.
The product of its (nonzero) digits is 300, while the sum is 20.
The square root of 50151431 is about 7081.7675053619. The cubic root of 50151431 is about 368.7746927446.
Adding to 50151431 its reverse (13415105), we get a palindrome (63566536).
It can be divided in two parts, 5015 and 1431, that added together give a palindrome (6446).
The spelling of 50151431 in words is "fifty million, one hundred fifty-one thousand, four hundred thirty-one".
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