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30944973 = 383124277
BaseRepresentation
bin111011000001…
…0111011001101
32011020011112010
41312002323031
530410214343
63023131433
7524012403
oct166027315
964204463
1030944973
1116516464
12a443b79
136546147
144177473
152ab3d33
hex1d82ecd

30944973 has 8 divisors (see below), whose sum is σ = 41757408. Its totient is φ = 20381264.

The previous prime is 30944923. The next prime is 30944989. The reversal of 30944973 is 37944903.

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 30944973 - 26 = 30944909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30944923) 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, 61890 + ... + 62387.

It is an arithmetic number, because the mean of its divisors is an integer number (5219676).

Almost surely, 230944973 is an apocalyptic number.

It is an amenable number.

30944973 is a deficient number, since it is larger than the sum of its proper divisors (10812435).

30944973 is a wasteful number, since it uses less digits than its factorization.

30944973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124363.

The product of its (nonzero) digits is 81648, while the sum is 39.

The square root of 30944973 is about 5562.8205975027. The cubic root of 30944973 is about 313.9520833748.

The spelling of 30944973 in words is "thirty million, nine hundred forty-four thousand, nine hundred seventy-three".

Divisors: 1 3 83 249 124277 372831 10314991 30944973