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48429879 = 31973103113
BaseRepresentation
bin1011100010111…
…1101100110111
310101010111022020
42320233230313
544344224004
64450004223
71125434661
oct270575467
9111114266
1048429879
11253790a3
1214276673
13a058844
146609531
1543b98d9
hex2e2fb37

48429879 has 32 divisors (see below), whose sum is σ = 70187520. Its totient is φ = 29611008.

The previous prime is 48429859. The next prime is 48429893. The reversal of 48429879 is 97892484.

It is not a de Polignac number, because 48429879 - 25 = 48429847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48429809) 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 31 ways as a sum of consecutive naturals, for example, 428527 + ... + 428639.

It is an arithmetic number, because the mean of its divisors is an integer number (2193360).

Almost surely, 248429879 is an apocalyptic number.

48429879 is a deficient number, since it is larger than the sum of its proper divisors (21757641).

48429879 is a wasteful number, since it uses less digits than its factorization.

48429879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311.

The product of its digits is 1161216, while the sum is 51.

The square root of 48429879 is about 6959.1579231973. The cubic root of 48429879 is about 364.5058152282.

The spelling of 48429879 in words is "forty-eight million, four hundred twenty-nine thousand, eight hundred seventy-nine".

Divisors: 1 3 19 57 73 103 113 219 309 339 1387 1957 2147 4161 5871 6441 7519 8249 11639 22557 24747 34917 142861 156731 221141 428583 470193 663423 849647 2548941 16143293 48429879