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50213929 = 160731247
BaseRepresentation
bin1011111110001…
…1010000101001
310111111010120011
42333203100221
5100323321204
64552131521
71146545203
oct277432051
9114433504
1050213929
1126387517
1214996ba1
13a5318ac
146951773
15461d304
hex2fe3429

50213929 has 4 divisors (see below), whose sum is σ = 50246784. Its totient is φ = 50181076.

The previous prime is 50213927. The next prime is 50213951. The reversal of 50213929 is 92931205.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50213929 - 21 = 50213927 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50213929.

It is not an unprimeable number, because it can be changed into a prime (50213927) 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, 14017 + ... + 17230.

It is an arithmetic number, because the mean of its divisors is an integer number (12561696).

Almost surely, 250213929 is an apocalyptic number.

It is an amenable number.

50213929 is a deficient number, since it is larger than the sum of its proper divisors (32855).

50213929 is a wasteful number, since it uses less digits than its factorization.

50213929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32854.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 50213929 is about 7086.1787304583. The cubic root of 50213929 is about 368.9278164144.

The spelling of 50213929 in words is "fifty million, two hundred thirteen thousand, nine hundred twenty-nine".

Divisors: 1 1607 31247 50213929