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50255997 = 3111639343
BaseRepresentation
bin1011111110110…
…1100001111101
310111120021021020
42333231201331
5100331142442
64553054353
71150111641
oct277554175
9114507236
1050255997
1126406090
12149b73b9
13a547a9c
146962c21
15462a9ec
hex2fed87d

50255997 has 16 divisors (see below), whose sum is σ = 73555968. Its totient is φ = 30268080.

The previous prime is 50255977. The next prime is 50256049. The reversal of 50255997 is 79955205.

It is not a de Polignac number, because 50255997 - 222 = 46061693 is a prime.

It is a super-3 number, since 3×502559973 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50255977) 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, 708 + ... + 10050.

It is an arithmetic number, because the mean of its divisors is an integer number (4597248).

Almost surely, 250255997 is an apocalyptic number.

It is an amenable number.

50255997 is a deficient number, since it is larger than the sum of its proper divisors (23299971).

50255997 is a wasteful number, since it uses less digits than its factorization.

50255997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9520.

The product of its (nonzero) digits is 141750, while the sum is 42.

The square root of 50255997 is about 7089.1464225251. The cubic root of 50255997 is about 369.0308138867.

The spelling of 50255997 in words is "fifty million, two hundred fifty-five thousand, nine hundred ninety-seven".

Divisors: 1 3 11 33 163 489 1793 5379 9343 28029 102773 308319 1522909 4568727 16751999 50255997