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48901069 = 7241101241
BaseRepresentation
bin1011101010001…
…0101111001101
310102000102122201
42322202233031
5100004313234
64504041501
71132436500
oct272425715
9112012581
1048901069
1125670108
1214463291
13a192159
1466cd137
15445e314
hex2ea2bcd

48901069 has 24 divisors (see below), whose sum is σ = 59093496. Its totient is φ = 40320000.

The previous prime is 48901067. The next prime is 48901081. The reversal of 48901069 is 96010984.

It can be written as a sum of positive squares in 4 ways, for example, as 12744900 + 36156169 = 3570^2 + 6013^2 .

It is not a de Polignac number, because 48901069 - 21 = 48901067 is a prime.

It is a super-3 number, since 3×489010693 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48901063) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 202789 + ... + 203029.

It is an arithmetic number, because the mean of its divisors is an integer number (2462229).

Almost surely, 248901069 is an apocalyptic number.

48901069 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

48901069 is a deficient number, since it is larger than the sum of its proper divisors (10192427).

48901069 is a wasteful number, since it uses less digits than its factorization.

48901069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397 (or 390 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 48901069 is about 6992.9299295789. The cubic root of 48901069 is about 365.6841338013.

The spelling of 48901069 in words is "forty-eight million, nine hundred one thousand, sixty-nine".

Divisors: 1 7 41 49 101 241 287 707 1687 2009 4141 4949 9881 11809 24341 28987 69167 170387 202909 484169 997981 1192709 6985867 48901069