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50145477 = 361274019
BaseRepresentation
bin1011111101001…
…0100011000101
310111100122122220
42333102203011
5100314123402
64550442553
71146141504
oct277224305
9114318586
1050145477
1126340048
1214963459
13a5096a5
14693483b
154607dbc
hex2fd28c5

50145477 has 8 divisors (see below), whose sum is σ = 67956960. Its totient is φ = 32882160.

The previous prime is 50145409. The next prime is 50145493. The reversal of 50145477 is 77454105.

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

It is not a de Polignac number, because 50145477 - 27 = 50145349 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50145377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136827 + ... + 137192.

It is an arithmetic number, because the mean of its divisors is an integer number (8494620).

Almost surely, 250145477 is an apocalyptic number.

It is an amenable number.

50145477 is a deficient number, since it is larger than the sum of its proper divisors (17811483).

50145477 is a wasteful number, since it uses less digits than its factorization.

50145477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274083.

The product of its (nonzero) digits is 19600, while the sum is 33.

The square root of 50145477 is about 7081.3471176041. The cubic root of 50145477 is about 368.7600984690.

The spelling of 50145477 in words is "fifty million, one hundred forty-five thousand, four hundred seventy-seven".

Divisors: 1 3 61 183 274019 822057 16715159 50145477