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49430423 = 77061489
BaseRepresentation
bin1011110010001…
…1111110010111
310110000022210102
42330203332113
5100123233143
64523244315
71140103010
oct274437627
9113008712
1049430423
11259a1899
121467969b
13a319093
1467ca007
1545160b8
hex2f23f97

49430423 has 4 divisors (see below), whose sum is σ = 56491920. Its totient is φ = 42368928.

The previous prime is 49430411. The next prime is 49430431. The reversal of 49430423 is 32403494.

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

It is not a de Polignac number, because 49430423 - 218 = 49168279 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 (49430453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3530738 + ... + 3530751.

It is an arithmetic number, because the mean of its divisors is an integer number (14122980).

Almost surely, 249430423 is an apocalyptic number.

49430423 is a deficient number, since it is larger than the sum of its proper divisors (7061497).

49430423 is an equidigital number, since it uses as much as digits as its factorization.

49430423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7061496.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 49430423 is about 7030.6772788971. The cubic root of 49430423 is about 366.9989110684.

The spelling of 49430423 in words is "forty-nine million, four hundred thirty thousand, four hundred twenty-three".

Divisors: 1 7 7061489 49430423