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50315493 = 3291733343
BaseRepresentation
bin1011111111110…
…0000011100101
310111200021212210
42333330003211
5100340043433
64554234033
71150450254
oct277740345
9114607783
1050315493
1126446858
1214a25919
13a568ba7
14697a79b
15463d463
hex2ffc0e5

50315493 has 16 divisors (see below), whose sum is σ = 69822720. Its totient is φ = 32190144.

The previous prime is 50315491. The next prime is 50315501. The reversal of 50315493 is 39451305.

It is not a de Polignac number, because 50315493 - 21 = 50315491 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 50315493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50315491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13380 + ... + 16722.

It is an arithmetic number, because the mean of its divisors is an integer number (4363920).

Almost surely, 250315493 is an apocalyptic number.

It is an amenable number.

50315493 is a deficient number, since it is larger than the sum of its proper divisors (19507227).

50315493 is a wasteful number, since it uses less digits than its factorization.

50315493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3548.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 50315493 is about 7093.3414551959. The cubic root of 50315493 is about 369.1763832389.

Adding to 50315493 its reverse (39451305), we get a palindrome (89766798).

The spelling of 50315493 in words is "fifty million, three hundred fifteen thousand, four hundred ninety-three".

Divisors: 1 3 29 87 173 519 3343 5017 10029 15051 96947 290841 578339 1735017 16771831 50315493