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9770148 = 2232271393
BaseRepresentation
bin100101010001…
…010010100100
3200101101010100
4211101102210
510000121043
6545224100
7146021253
oct45212244
920341110
109770148
115573503
123332030
13204106b
14142479a
15ccecd3
hex9514a4

9770148 has 18 divisors (see below), whose sum is σ = 24696854. Its totient is φ = 3256704.

The previous prime is 9770143. The next prime is 9770149. The reversal of 9770148 is 8410779.

It can be written as a sum of positive squares in only one way, i.e., 6594624 + 3175524 = 2568^2 + 1782^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 271393 = 9770148 / (9 + 7 + 7 + 0 + 1 + 4 + 8).

It is not an unprimeable number, because it can be changed into a prime (9770143) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 135661 + ... + 135732.

Almost surely, 29770148 is an apocalyptic number.

It is an amenable number.

9770148 is an abundant number, since it is smaller than the sum of its proper divisors (14926706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9770148 is a wasteful number, since it uses less digits than its factorization.

9770148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271403 (or 271398 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 9770148 is about 3125.7235962254. The cubic root of 9770148 is about 213.7799875851.

The spelling of 9770148 in words is "nine million, seven hundred seventy thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 271393 542786 814179 1085572 1628358 2442537 3256716 4885074 9770148