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49897463 = 711648019
BaseRepresentation
bin1011111001010…
…1111111110111
310110220001110012
42332111333313
5100233204323
64541250435
71144056440
oct276257767
9113801405
1049897463
1126190780
1214863a1b
13a450835
1468ac2c7
1545a9678
hex2f95ff7

49897463 has 8 divisors (see below), whose sum is σ = 62209920. Its totient is φ = 38881080.

The previous prime is 49897457. The next prime is 49897469. The reversal of 49897463 is 36479894.

It is an interprime number because it is at equal distance from previous prime (49897457) and next prime (49897469).

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

It is not a de Polignac number, because 49897463 - 26 = 49897399 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 (49897469) 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, 323933 + ... + 324086.

It is an arithmetic number, because the mean of its divisors is an integer number (7776240).

Almost surely, 249897463 is an apocalyptic number.

49897463 is a deficient number, since it is larger than the sum of its proper divisors (12312457).

49897463 is a wasteful number, since it uses less digits than its factorization.

49897463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648037.

The product of its digits is 1306368, while the sum is 50.

The square root of 49897463 is about 7063.8136300443. The cubic root of 49897463 is about 368.1511444944.

Subtracting from 49897463 its reverse (36479894), we obtain a square (13417569 = 36632).

The spelling of 49897463 in words is "forty-nine million, eight hundred ninety-seven thousand, four hundred sixty-three".

Divisors: 1 7 11 77 648019 4536133 7128209 49897463