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49078542 = 238179757
BaseRepresentation
bin1011101100111…
…0000100001110
310102100110002210
42323032010032
5100031003132
64511531250
71134106062
oct273160416
9112313083
1049078542
1125781487
1214529b26
13a224b76
146737aa2
154496bcc
hex2ece10e

49078542 has 8 divisors (see below), whose sum is σ = 98157096. Its totient is φ = 16359512.

The previous prime is 49078529. The next prime is 49078567. The reversal of 49078542 is 24587094.

49078542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

49078542 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 49078542.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4089873 + ... + 4089884.

It is an arithmetic number, because the mean of its divisors is an integer number (12269637).

Almost surely, 249078542 is an apocalyptic number.

49078542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

49078542 is a wasteful number, since it uses less digits than its factorization.

49078542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8179762.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 49078542 is about 7005.6078965355. The cubic root of 49078542 is about 366.1259830861.

The spelling of 49078542 in words is "forty-nine million, seventy-eight thousand, five hundred forty-two".

Divisors: 1 2 3 6 8179757 16359514 24539271 49078542