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48061013 = 721113193
BaseRepresentation
bin1011011101010…
…1101001010101
310100102202022112
42313111221111
544300423023
64434040405
71122340400
oct267255125
9110382275
1048061013
1125146a50
1214119105
139c59990
146550d37
154345478
hex2dd5a55

48061013 has 48 divisors (see below), whose sum is σ = 69330240. Its totient is φ = 32749920.

The previous prime is 48061009. The next prime is 48061021. The reversal of 48061013 is 31016084.

It is not a de Polignac number, because 48061013 - 22 = 48061009 is a prime.

It is a super-3 number, since 3×480610133 (a number of 24 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 48061013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48061003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2529518 + ... + 2529536.

It is an arithmetic number, because the mean of its divisors is an integer number (1444380).

Almost surely, 248061013 is an apocalyptic number.

It is an amenable number.

48061013 is a deficient number, since it is larger than the sum of its proper divisors (21269227).

48061013 is a wasteful number, since it uses less digits than its factorization.

48061013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95 (or 50 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 48061013 is about 6932.6050659186. The cubic root of 48061013 is about 363.5780366733.

Adding to 48061013 its reverse (31016084), we get a palindrome (79077097).

The spelling of 48061013 in words is "forty-eight million, sixty-one thousand, thirteen".

Divisors: 1 7 11 13 19 49 77 91 133 143 209 247 361 539 637 931 1001 1463 1729 2527 2717 3971 4693 6859 7007 10241 12103 17689 19019 27797 32851 48013 51623 75449 89167 133133 194579 229957 336091 361361 528143 624169 980837 2529527 3697001 4369183 6865859 48061013