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30147403 = 1113216217
BaseRepresentation
bin111001100000…
…0001101001011
32002201122110111
41303000031023
530204204103
62554055151
7514151206
oct163001513
962648414
1030147403
1116021210
12a11a4b7
136327100
14400a93d
1529a786d
hex1cc034b

30147403 has 12 divisors (see below), whose sum is σ = 35614728. Its totient is φ = 25296960.

The previous prime is 30147401. The next prime is 30147419. The reversal of 30147403 is 30474103.

It is a happy number.

It is not a de Polignac number, because 30147403 - 21 = 30147401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30147401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6250 + ... + 9967.

It is an arithmetic number, because the mean of its divisors is an integer number (2967894).

Almost surely, 230147403 is an apocalyptic number.

30147403 is a deficient number, since it is larger than the sum of its proper divisors (5467325).

30147403 is a wasteful number, since it uses less digits than its factorization.

30147403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16254 (or 16241 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 30147403 is about 5490.6650781121. The cubic root of 30147403 is about 311.2313253635.

The spelling of 30147403 in words is "thirty million, one hundred forty-seven thousand, four hundred three".

Divisors: 1 11 13 143 169 1859 16217 178387 210821 2319031 2740673 30147403