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49420759 = 166929611
BaseRepresentation
bin1011110010000…
…1100111010111
310102222211112111
42330201213113
5100122431014
64523131451
71140032563
oct274414727
9112884474
1049420759
1125995603
1214673b87
13a31486b
1467c66a3
1545132c4
hex2f219d7

49420759 has 4 divisors (see below), whose sum is σ = 49452040. Its totient is φ = 49389480.

The previous prime is 49420753. The next prime is 49420807. The reversal of 49420759 is 95702494.

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

It is a cyclic number.

It is not a de Polignac number, because 49420759 - 29 = 49420247 is a prime.

It is a super-2 number, since 2×494207592 = 4884822840272162, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49420753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13137 + ... + 16474.

It is an arithmetic number, because the mean of its divisors is an integer number (12363010).

Almost surely, 249420759 is an apocalyptic number.

49420759 is a deficient number, since it is larger than the sum of its proper divisors (31281).

49420759 is a wasteful number, since it uses less digits than its factorization.

49420759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31280.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 49420759 is about 7029.9899715433. The cubic root of 49420759 is about 366.9749925420.

The spelling of 49420759 in words is "forty-nine million, four hundred twenty thousand, seven hundred fifty-nine".

Divisors: 1 1669 29611 49420759