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48061665 = 3251068037
BaseRepresentation
bin1011011101010…
…1110011100001
310100102210012200
42313111303201
544300433130
64434043413
71122342321
oct267256341
9110383180
1048061665
1125147493
1214119569
139c5a072
146551281
154345760
hex2dd5ce1

48061665 has 12 divisors (see below), whose sum is σ = 83306964. Its totient is φ = 25632864.

The previous prime is 48061661. The next prime is 48061681. The reversal of 48061665 is 56616084.

It can be written as a sum of positive squares in 2 ways, for example, as 7306209 + 40755456 = 2703^2 + 6384^2 .

It is not a de Polignac number, because 48061665 - 22 = 48061661 is a prime.

It is a super-3 number, since 3×480616653 (a number of 24 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (48061661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 533974 + ... + 534063.

It is an arithmetic number, because the mean of its divisors is an integer number (6942247).

Almost surely, 248061665 is an apocalyptic number.

48061665 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

48061665 is a deficient number, since it is larger than the sum of its proper divisors (35245299).

48061665 is a wasteful number, since it uses less digits than its factorization.

48061665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068048 (or 1068045 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 48061665 is about 6932.6520899292. The cubic root of 48061665 is about 363.5796807766.

The spelling of 48061665 in words is "forty-eight million, sixty-one thousand, six hundred sixty-five".

Divisors: 1 3 5 9 15 45 1068037 3204111 5340185 9612333 16020555 48061665