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50378455 = 510075691
BaseRepresentation
bin1100000000101…
…1011011010111
310111210111020201
43000023123113
5100344102310
64555441331
71151131651
oct300133327
9114714221
1050378455
112648a096
1214a56247
13a58b74a
1469956d1
154651e3a
hex300b6d7

50378455 has 4 divisors (see below), whose sum is σ = 60454152. Its totient is φ = 40302760.

The previous prime is 50378453. The next prime is 50378473. The reversal of 50378455 is 55487305.

50378455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55487305 = 511097461.

It is not a de Polignac number, because 50378455 - 21 = 50378453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50378453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5037841 + ... + 5037850.

It is an arithmetic number, because the mean of its divisors is an integer number (15113538).

Almost surely, 250378455 is an apocalyptic number.

50378455 is a deficient number, since it is larger than the sum of its proper divisors (10075697).

50378455 is a wasteful number, since it uses less digits than its factorization.

50378455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10075696.

The product of its (nonzero) digits is 84000, while the sum is 37.

The square root of 50378455 is about 7097.7781734850. The cubic root of 50378455 is about 369.3303079603.

The spelling of 50378455 in words is "fifty million, three hundred seventy-eight thousand, four hundred fifty-five".

Divisors: 1 5 10075691 50378455