Search a number
-
+
50136031 = 114557821
BaseRepresentation
bin1011111101000…
…0001111011111
310111100011201001
42333100033133
5100313323111
64550331131
71146102121
oct277201737
9114304631
1050136031
1126333a40
1214959aa7
13a5052ba
146931211
1546051c1
hex2fd03df

50136031 has 4 divisors (see below), whose sum is σ = 54693864. Its totient is φ = 45578200.

The previous prime is 50136019. The next prime is 50136089. The reversal of 50136031 is 13063105.

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 50136031 - 213 = 50127839 is a prime.

It is a super-2 number, since 2×501360312 = 5027243208865922, 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 (50136091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2278900 + ... + 2278921.

It is an arithmetic number, because the mean of its divisors is an integer number (13673466).

Almost surely, 250136031 is an apocalyptic number.

50136031 is a deficient number, since it is larger than the sum of its proper divisors (4557833).

50136031 is a wasteful number, since it uses less digits than its factorization.

50136031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4557832.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 50136031 is about 7080.6801227001. The cubic root of 50136031 is about 368.7369423318.

Adding to 50136031 its reverse (13063105), we get a palindrome (63199136).

The spelling of 50136031 in words is "fifty million, one hundred thirty-six thousand, thirty-one".

Divisors: 1 11 4557821 50136031