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50005231 = 130338377
BaseRepresentation
bin1011111011000…
…0010011101111
310111002112021121
42332300103233
5100300131411
64543441411
71145015563
oct276602357
9114075247
1050005231
1126254741
12148b6267
13a48a8c3
1468d96a3
1545cb571
hex2fb04ef

50005231 has 4 divisors (see below), whose sum is σ = 50044912. Its totient is φ = 49965552.

The previous prime is 50005223. The next prime is 50005237. The reversal of 50005231 is 13250005.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50005231 - 23 = 50005223 is a prime.

It is a super-2 number, since 2×500052312 = 5001046254726722, 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 (50005237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17886 + ... + 20491.

It is an arithmetic number, because the mean of its divisors is an integer number (12511228).

Almost surely, 250005231 is an apocalyptic number.

50005231 is a deficient number, since it is larger than the sum of its proper divisors (39681).

50005231 is a wasteful number, since it uses less digits than its factorization.

50005231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39680.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 50005231 is about 7071.4376897488. The cubic root of 50005231 is about 368.4159968619.

Adding to 50005231 its reverse (13250005), we get a palindrome (63255236).

The spelling of 50005231 in words is "fifty million, five thousand, two hundred thirty-one".

Divisors: 1 1303 38377 50005231