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30147097 = 317113697
BaseRepresentation
bin111001100000…
…0001000011001
32002201122001011
41303000020121
530204201342
62554053521
7514150261
oct163001031
962648034
1030147097
1116020a62
12a11a2a1
136326c26
14400a7a1
1529a7717
hex1cc0219

30147097 has 8 divisors (see below), whose sum is σ = 31560192. Its totient is φ = 28761600.

The previous prime is 30147083. The next prime is 30147101. The reversal of 30147097 is 79074103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30147097 - 219 = 29622809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30147077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4648 + ... + 9049.

It is an arithmetic number, because the mean of its divisors is an integer number (3945024).

Almost surely, 230147097 is an apocalyptic number.

It is an amenable number.

30147097 is a deficient number, since it is larger than the sum of its proper divisors (1413095).

30147097 is a wasteful number, since it uses less digits than its factorization.

30147097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13799.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 30147097 is about 5490.6372125647. The cubic root of 30147097 is about 311.2302723474.

The spelling of 30147097 in words is "thirty million, one hundred forty-seven thousand, ninety-seven".

Divisors: 1 31 71 2201 13697 424607 972487 30147097