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30290277 = 3172572311
BaseRepresentation
bin111001110001…
…1000101100101
32002222220110010
41303203011211
530223242102
63001120433
7515314563
oct163430545
962886403
1030290277
1116109596
12a189119
136377154
144046a33
1529d4d6c
hex1ce3165

30290277 has 16 divisors (see below), whose sum is σ = 42947712. Its totient is φ = 18923520.

The previous prime is 30290261. The next prime is 30290291. The reversal of 30290277 is 77209203.

It is not a de Polignac number, because 30290277 - 24 = 30290261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30290077) 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 15 ways as a sum of consecutive naturals, for example, 11952 + ... + 14262.

It is an arithmetic number, because the mean of its divisors is an integer number (2684232).

Almost surely, 230290277 is an apocalyptic number.

It is an amenable number.

30290277 is a deficient number, since it is larger than the sum of its proper divisors (12657435).

30290277 is a wasteful number, since it uses less digits than its factorization.

30290277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2588.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 30290277 is about 5503.6603274548. The cubic root of 30290277 is about 311.7222112423.

The spelling of 30290277 in words is "thirty million, two hundred ninety thousand, two hundred seventy-seven".

Divisors: 1 3 17 51 257 771 2311 4369 6933 13107 39287 117861 593927 1781781 10096759 30290277