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48988105 = 5291312579
BaseRepresentation
bin1011101011011…
…1111111001001
310102011212001021
42322313333021
5100020104410
64505552441
71133251315
oct272677711
9112155037
1048988105
112571a541
12144a5721
13a1c295a
146712b45
154479eda
hex2eb7fc9

48988105 has 16 divisors (see below), whose sum is σ = 61300800. Its totient is φ = 37535680.

The previous prime is 48988087. The next prime is 48988109. The reversal of 48988105 is 50188984.

It is not a de Polignac number, because 48988105 - 25 = 48988073 is a prime.

It is a super-3 number, since 3×489881053 (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (48988109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17706 + ... + 20284.

It is an arithmetic number, because the mean of its divisors is an integer number (3831300).

Almost surely, 248988105 is an apocalyptic number.

It is an amenable number.

48988105 is a deficient number, since it is larger than the sum of its proper divisors (12312695).

48988105 is a wasteful number, since it uses less digits than its factorization.

48988105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2744.

The product of its (nonzero) digits is 92160, while the sum is 43.

The square root of 48988105 is about 6999.1503055728. The cubic root of 48988105 is about 365.9009581016.

The spelling of 48988105 in words is "forty-eight million, nine hundred eighty-eight thousand, one hundred five".

Divisors: 1 5 29 131 145 655 2579 3799 12895 18995 74791 337849 373955 1689245 9797621 48988105