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30793077 = 327488779
BaseRepresentation
bin111010101110…
…1110101110101
32010221110011100
41311131311311
530340334302
63020000313
7522510510
oct165356565
963843140
1030793077
1116422327
12a390099
1364c1c73
144137d77
152a83d1c
hex1d5dd75

30793077 has 12 divisors (see below), whose sum is σ = 50833120. Its totient is φ = 17596008.

The previous prime is 30793073. The next prime is 30793097. The reversal of 30793077 is 77039703.

It is not a de Polignac number, because 30793077 - 22 = 30793073 is a prime.

It is a super-2 number, since 2×307930772 = 1896427182255858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30793073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 244327 + ... + 244452.

Almost surely, 230793077 is an apocalyptic number.

It is an amenable number.

30793077 is a deficient number, since it is larger than the sum of its proper divisors (20040043).

30793077 is a wasteful number, since it uses less digits than its factorization.

30793077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488792 (or 488789 counting only the distinct ones).

The product of its (nonzero) digits is 27783, while the sum is 36.

The square root of 30793077 is about 5549.1510161465. The cubic root of 30793077 is about 313.4375538572.

The spelling of 30793077 in words is "thirty million, seven hundred ninety-three thousand, seventy-seven".

Divisors: 1 3 7 9 21 63 488779 1466337 3421453 4399011 10264359 30793077