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50243409 = 36413
BaseRepresentation
bin1011111110101…
…0011101010001
310111112122000000
42333222131101
5100330242114
64552520213
71150030146
oct277523521
9114478000
1050243409
11263a7687
12149b0069
13a542138
14695c3cd
154626e09
hex2fea751

50243409 has 28 divisors (see below), whose sum is σ = 77213892. Its totient is φ = 32678640.

The previous prime is 50243407. The next prime is 50243411. The reversal of 50243409 is 90434205.

The cubic root of 50243409 is 369.

It is a perfect power (a cube), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (50243407) and next prime (50243411).

It can be written as a sum of positive squares in 2 ways, for example, as 9641025 + 40602384 = 3105^2 + 6372^2 .

It is not a de Polignac number, because 50243409 - 21 = 50243407 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50243407) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1225429 + ... + 1225469.

It is an arithmetic number, because the mean of its divisors is an integer number (2757639).

Almost surely, 250243409 is an apocalyptic number.

It is an amenable number.

50243409 is a deficient number, since it is larger than the sum of its proper divisors (26970483).

50243409 is an frugal number, since it uses more digits than its factorization.

50243409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 44 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 50243409 is about 7088.2585308382.

Multiplying 50243409 by its sum of digits (27), we get a cube (1356572043 = 11073).

50243409 divided by its sum of digits (27) gives a cube (1860867 = 1233).

The spelling of 50243409 in words is "fifty million, two hundred forty-three thousand, four hundred nine".

Divisors: 1 3 9 27 41 81 123 243 369 729 1107 1681 3321 5043 9963 15129 29889 45387 68921 136161 206763 408483 620289 1225449 1860867 5582601 16747803 50243409