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30646097 = 231332439
BaseRepresentation
bin111010011100…
…1111101010001
32010122222112122
41310321331101
530321133342
63012504025
7521326136
oct164717521
963588478
1030646097
1116331959
12a31b015
1364700b1
1440da58d
152a554d2
hex1d39f51

30646097 has 4 divisors (see below), whose sum is σ = 31978560. Its totient is φ = 29313636.

The previous prime is 30646093. The next prime is 30646111. The reversal of 30646097 is 79064603.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30646097 - 22 = 30646093 is a prime.

It is a super-2 number, since 2×306460972 = 1878366522666818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30646093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 666197 + ... + 666242.

It is an arithmetic number, because the mean of its divisors is an integer number (7994640).

Almost surely, 230646097 is an apocalyptic number.

It is an amenable number.

30646097 is a deficient number, since it is larger than the sum of its proper divisors (1332463).

30646097 is a wasteful number, since it uses less digits than its factorization.

30646097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332462.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 30646097 is about 5535.8917077559. The cubic root of 30646097 is about 312.9380633945.

The spelling of 30646097 in words is "thirty million, six hundred forty-six thousand, ninety-seven".

Divisors: 1 23 1332439 30646097