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50103031 = 114554821
BaseRepresentation
bin1011111100100…
…0001011110111
310111021111102211
42333020023313
5100311244111
64545514251
71145603656
oct277101367
9114244384
1050103031
1126311170
1214942987
13a4c3284
14692319d
1545ea521
hex2fc82f7

50103031 has 4 divisors (see below), whose sum is σ = 54657864. Its totient is φ = 45548200.

The previous prime is 50103017. The next prime is 50103043. The reversal of 50103031 is 13030105.

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 50103031 - 25 = 50102999 is a prime.

It is a super-2 number, since 2×501030312 = 5020627430773922, 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 (50103061) 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, 2277400 + ... + 2277421.

It is an arithmetic number, because the mean of its divisors is an integer number (13664466).

Almost surely, 250103031 is an apocalyptic number.

50103031 is a deficient number, since it is larger than the sum of its proper divisors (4554833).

50103031 is a wasteful number, since it uses less digits than its factorization.

50103031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4554832.

The product of its (nonzero) digits is 45, while the sum is 13.

The square root of 50103031 is about 7078.3494544986. The cubic root of 50103031 is about 368.6560225515.

Adding to 50103031 its reverse (13030105), we get a palindrome (63133136).

The spelling of 50103031 in words is "fifty million, one hundred three thousand, thirty-one".

Divisors: 1 11 4554821 50103031