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30774087 = 34379927
BaseRepresentation
bin111010101100…
…1001101000111
32010220111010000
41311121031013
530334232322
63015332343
7522401241
oct165311507
963814100
1030774087
111640a033
12a3810b3
1364b6426
144131091
152a7d3ac
hex1d59347

30774087 has 10 divisors (see below), whose sum is σ = 45971288. Its totient is φ = 20516004.

The previous prime is 30774071. The next prime is 30774089. The reversal of 30774087 is 78047703.

It is a happy number.

It is not a de Polignac number, because 30774087 - 24 = 30774071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30774089) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 189883 + ... + 190044.

Almost surely, 230774087 is an apocalyptic number.

30774087 is a deficient number, since it is larger than the sum of its proper divisors (15197201).

30774087 is an equidigital number, since it uses as much as digits as its factorization.

30774087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379939 (or 379930 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The square root of 30774087 is about 5547.4396797081. The cubic root of 30774087 is about 313.3731086018.

The spelling of 30774087 in words is "thirty million, seven hundred seventy-four thousand, eighty-seven".

Divisors: 1 3 9 27 81 379927 1139781 3419343 10258029 30774087