Search a number
-
+
50215164 = 22323315869
BaseRepresentation
bin1011111110001…
…1100011111100
310111111012020220
42333203203330
5100323341124
64552141340
71146551616
oct277434374
9114435226
1050215164
112638843a
1214997850
13a53231c
146951db6
15461d879
hex2fe38fc

50215164 has 48 divisors (see below), whose sum is σ = 126228480. Its totient is φ = 15491520.

The previous prime is 50215117. The next prime is 50215169. The reversal of 50215164 is 46151205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50215169) 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 15 ways as a sum of consecutive naturals, for example, 5622 + ... + 11490.

It is an arithmetic number, because the mean of its divisors is an integer number (2629760).

Almost surely, 250215164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50215164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63114240).

50215164 is an abundant number, since it is smaller than the sum of its proper divisors (76013316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50215164 is a wasteful number, since it uses less digits than its factorization.

50215164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5930 (or 5928 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 50215164 is about 7086.2658713881. The cubic root of 50215164 is about 368.9308409544.

Adding to 50215164 its reverse (46151205), we get a palindrome (96366369).

The spelling of 50215164 in words is "fifty million, two hundred fifteen thousand, one hundred sixty-four".

Divisors: 1 2 3 4 6 12 23 31 46 62 69 92 93 124 138 186 276 372 713 1426 2139 2852 4278 5869 8556 11738 17607 23476 35214 70428 134987 181939 269974 363878 404961 539948 545817 727756 809922 1091634 1619844 2183268 4184597 8369194 12553791 16738388 25107582 50215164