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50120405 = 510793683
BaseRepresentation
bin1011111100110…
…0011011010101
310111022101021022
42333030123111
5100312323110
64550130525
71146005426
oct277143325
9114271238
1050120405
1126323225
1214950a45
13a4cb15a
14692964d
154600755
hex2fcc6d5

50120405 has 8 divisors (see below), whose sum is σ = 60707232. Its totient is φ = 39721168.

The previous prime is 50120393. The next prime is 50120417. The reversal of 50120405 is 50402105.

It is an interprime number because it is at equal distance from previous prime (50120393) and next prime (50120417).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50120405 - 216 = 50054869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46307 + ... + 47376.

It is an arithmetic number, because the mean of its divisors is an integer number (7588404).

Almost surely, 250120405 is an apocalyptic number.

It is an amenable number.

50120405 is a deficient number, since it is larger than the sum of its proper divisors (10586827).

50120405 is a wasteful number, since it uses less digits than its factorization.

50120405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93795.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 50120405 is about 7079.5766116343. The cubic root of 50120405 is about 368.6986300173.

The spelling of 50120405 in words is "fifty million, one hundred twenty thousand, four hundred five".

Divisors: 1 5 107 535 93683 468415 10024081 50120405