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50489430 = 2352237547
BaseRepresentation
bin1100000010011…
…0100001010110
310112000010110220
43000212201112
5100411130210
65002055210
71152103335
oct300464126
9115003426
1050489430
1126555502
1214aaa506
13a5ca104
1469c3d1c
154674c70
hex3026856

50489430 has 32 divisors (see below), whose sum is σ = 121734144. Its totient is φ = 13401696.

The previous prime is 50489399. The next prime is 50489431. The reversal of 50489430 is 3498405.

It is a junction number, because it is equal to n+sod(n) for n = 50489391 and 50489400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50489431) 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, 2917 + ... + 10463.

It is an arithmetic number, because the mean of its divisors is an integer number (3804192).

Almost surely, 250489430 is an apocalyptic number.

50489430 is an abundant number, since it is smaller than the sum of its proper divisors (71244714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50489430 is a wasteful number, since it uses less digits than its factorization.

50489430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7780.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 50489430 is about 7105.5914602516. The cubic root of 50489430 is about 369.6012992824.

Subtracting from 50489430 its reverse (3498405), we obtain a square (46991025 = 68552).

The spelling of 50489430 in words is "fifty million, four hundred eighty-nine thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 223 446 669 1115 1338 2230 3345 6690 7547 15094 22641 37735 45282 75470 113205 226410 1682981 3365962 5048943 8414905 10097886 16829810 25244715 50489430