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30973226 = 2231494519
BaseRepresentation
bin111011000100…
…1110100101010
32011021121021112
41312021310222
530412120401
63023510322
7524160644
oct166116452
964247245
1030973226
1116535709
12a4583a2
136555c6b
144183894
152abc3bb
hex1d89d2a

30973226 has 16 divisors (see below), whose sum is σ = 48816000. Its totient is φ = 14710608.

The previous prime is 30973223. The next prime is 30973259. The reversal of 30973226 is 62237903.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30973192 and 30973201.

It is not an unprimeable number, because it can be changed into a prime (30973223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4595 + ... + 9113.

It is an arithmetic number, because the mean of its divisors is an integer number (3051000).

Almost surely, 230973226 is an apocalyptic number.

30973226 is a deficient number, since it is larger than the sum of its proper divisors (17842774).

30973226 is a wasteful number, since it uses less digits than its factorization.

30973226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4693.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 30973226 is about 5565.3594672761. The cubic root of 30973226 is about 314.0476012057.

The spelling of 30973226 in words is "thirty million, nine hundred seventy-three thousand, two hundred twenty-six".

Divisors: 1 2 23 46 149 298 3427 4519 6854 9038 103937 207874 673331 1346662 15486613 30973226