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48139755 = 353209317
BaseRepresentation
bin1011011110100…
…0110111101011
310100120202022220
42313220313223
544310433010
64435445123
71123116066
oct267506753
9110522286
1048139755
11251a0124
12141567a3
139c86781
1465718dd
15435d970
hex2de8deb

48139755 has 8 divisors (see below), whose sum is σ = 77023632. Its totient is φ = 25674528.

The previous prime is 48139727. The next prime is 48139769. The reversal of 48139755 is 55793184.

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

It is not a de Polignac number, because 48139755 - 26 = 48139691 is a prime.

It is a super-2 number, since 2×481397552 = 4634872022920050, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1604644 + ... + 1604673.

It is an arithmetic number, because the mean of its divisors is an integer number (9627954).

Almost surely, 248139755 is an apocalyptic number.

48139755 is a deficient number, since it is larger than the sum of its proper divisors (28883877).

48139755 is a wasteful number, since it uses less digits than its factorization.

48139755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3209325.

The product of its digits is 151200, while the sum is 42.

The square root of 48139755 is about 6938.2818478352. The cubic root of 48139755 is about 363.7764874844.

The spelling of 48139755 in words is "forty-eight million, one hundred thirty-nine thousand, seven hundred fifty-five".

Divisors: 1 3 5 15 3209317 9627951 16046585 48139755