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61450838 = 230725419
BaseRepresentation
bin1110101001101…
…0101001010110
311021122000200222
43222122221112
5111212411323
610033034342
71344215651
oct352325126
9137560628
1061450838
1131761a19
12186b59b2
13c967457
148238898
1555dc9c8
hex3a9aa56

61450838 has 4 divisors (see below), whose sum is σ = 92176260. Its totient is φ = 30725418.

The previous prime is 61450819. The next prime is 61450853. The reversal of 61450838 is 83805416.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 61450798 and 61450807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15362708 + ... + 15362711.

It is an arithmetic number, because the mean of its divisors is an integer number (23044065).

Almost surely, 261450838 is an apocalyptic number.

61450838 is a deficient number, since it is larger than the sum of its proper divisors (30725422).

61450838 is a wasteful number, since it uses less digits than its factorization.

61450838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30725421.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 61450838 is about 7839.0584893851. The cubic root of 61450838 is about 394.6171326177.

The spelling of 61450838 in words is "sixty-one million, four hundred fifty thousand, eight hundred thirty-eight".

Divisors: 1 2 30725419 61450838