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50514140 = 225171011471
BaseRepresentation
bin1100000010110…
…0100011011100
310112001101101002
43000230203130
5100412423030
65002405432
71152235355
oct300544334
9115041332
1050514140
1126572026
1214b00878
13a608431
1469ccd2c
15467c245
hex302c8dc

50514140 has 48 divisors (see below), whose sum is σ = 113508864. Its totient is φ = 18816000.

The previous prime is 50514137. The next prime is 50514169. The reversal of 50514140 is 4141505.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33605 + ... + 35075.

It is an arithmetic number, because the mean of its divisors is an integer number (2364768).

Almost surely, 250514140 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 50514140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56754432).

50514140 is an abundant number, since it is smaller than the sum of its proper divisors (62994724).

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

50514140 is a wasteful number, since it uses less digits than its factorization.

50514140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598 (or 1596 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 50514140 is about 7107.3300190719. The cubic root of 50514140 is about 369.6615848947.

Adding to 50514140 its reverse (4141505), we get a palindrome (54655645).

The spelling of 50514140 in words is "fifty million, five hundred fourteen thousand, one hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 85 101 170 202 340 404 505 1010 1471 1717 2020 2942 3434 5884 6868 7355 8585 14710 17170 25007 29420 34340 50014 100028 125035 148571 250070 297142 500140 594284 742855 1485710 2525707 2971420 5051414 10102828 12628535 25257070 50514140